Monday, September 24, 2018

A Sailor’s Tribute To Another Sailor


On the 25th of August 2018, four days shy of his 82nd birthday, John McCain died at his home in Sedona, Arizona. For just over a year, he had fought with a particularly aggressive strain of malignant brain tumour. What was remarkable was, that not only had he continued to work at the Senate between bouts of chemotherapy but had performed his duties as the Chairman of the Senate Armed Services Committee from home. This was typical of his feisty nature and a reflection of his inner resilience.
Born to a Navy family on the 29th of August 1936 at the Coco Solo Naval Air Station in Panama, to Roberta and John S McCain (Jr), who later became a four star admiral, theirs was a typical navy family that moved along like flotsam, living out of suitcases and making new friends while they followed their father in his tours of duty around the world. His grandfather had also been a four star admiral in the US Navy. Although they were Southerners on both sides of the family, he regarded his heritage as military rather than Southern and chose to live by military values as emerged later.
His mother was a great influence in his early life teaching him to find joys in everyday life. She also instilled a love for history and culture in young Johnny.
With so much of salt in his blood, it was not unexpected that John chose the Navy as a career. His performance at the academy was however below par on account of an indifference to rules and poor performance in academic subjects other than English Literature, History and Government Studies. Concerned at his wild ways and poor performance, his father was forced to visit the academy twice to reprimand young John.
He excelled in boxing, where he made up for technique with fearlessness and stubborn determination, traits for which he came to be well known. Although he finished near the bottom of his class, McCain acknowledged that the Academy had taught him “to serve for something greater than his self interest.”
McCain eventually became a Navy pilot. Volunteering for combat duty he found himself on board the aircraft carrier USS Forrestal, where the first few missions were uneventful. One day, a missile accidentally self-ignited, took off and hit another parked aircraft rupturing its fuel tanks, resulting in a sea of burning fuel on deck. McCain crawled out of his aircraft, running through burning fuel with his flying suit on fire. After the flames on his clothes had been put out, he ran back to help another pilot, when an explosion threw him backwards. Disregarding his injuries, he joined sailors in disengaging bombs and helping throw them overboard.
This first hand brush with the effects of ordnance, made him seriously question the morality of raining bombs on civilians.
Transferred to another carrier, McCain began flying combat missions in A4 Skyhawks, earning both a Navy Commendation Medal and the Air Medal within one month. On his 23rd mission over Hanoi, his aircraft was hit by a missile and he ejected over Truc Bach Lake, in the process fracturing his right arm in three places, his left arm, and his right knee. He was pulled out and set upon by locals who beat him, stripped him of his clothes and injured him further, breaking his left shoulder as well.
It was in this state that he reached the ‘Hanoi Hilton’ Prison. He was beaten repeatedly and denied medical attention unless he divulged military information. His refusal to give them anything more than his name, rank, number and age did not amuse the Vietnamese
Soon enough the Vietcong discovered that his father was a serving Admiral and assumed that they had snagged someone from ‘American aristocracy’. He was then given the barest of medical attention most of which was unsuccessful, all the while continuing his interrogation and beatings. Eventually the relentless pressure and merciless torture began to tell and he revealed his ship’s name, his squadron and their intended target, which was by then irrelevant as it was several days old. Further coerced to give future targets, he named cities that had already been bombed, and for names of his squadron's members, he supplied instead, the names of the Green Bay Packers' offensive line.
While still on a stretcher, McCain was transferred to a prison camp where he shared his cell with two other American flyers. It was the care and attention by these two men, who were themselves barely able to get by, that really helped him to survive. A few months later his cellmates moved out. Thus began his solitary confinement. His cell was semi-darkened while a dim bulb remained on, night and day for the next two years. In the absence of any form of communication, it was a struggle to stay sane. He forced his mind to work, memorizing the smallest of details and even writing books in his head. With time he managed to open a communication channel comprising of taps, with the occupant of the next cell.
All the while, the Vietnamese used psychological methods to break him. On the day his father’s appointment as C-in-C Pacific Forces was announced, they offered him a chance to go home early for treatment, in return for a statement denouncing his own crimes. They were hoping for a publicity coup by sending him home early. Knowing that his assent, however attractive the prospect, would provide them this victory, while undermining the morale of other prisoners, McCain stood his ground and refused early release.
One day he was taken out of his cell and asked by the Camp Commander to confess for his crimes. When he refused, it was taken as a sign of defiance and he was beaten brutally, breaking his left arm again and his ribs. On the fourth day he reached the lowest point of his imprisonment. With his shattered left arm, he couldn’t get up off the floor and just lay there in his own dysentery. Reduced to a beaten and battered wreck, he finally gave in.
He learned that every man has his breaking point and he had reached his.
He prayed for strength to get through each day and slowly began to improve, though his treatment showed no signs of letting up. Beatings were commonly dished out for the tiniest of infarctions and he was no exception, though he affirmed that some got much worse torture. McCain was eventually released in March 1972, after 51/2  years as a POW.
On return, he received extensive corrective surgery for his injuries and, recovered sufficiently to fly again. He was appointed to head a combat squadron where he worked hard to improve its flight safety record so that the squadron earned a unit commendation under his watch. In 1977 he was appointed to the Senate Armed Services Committee as a liaison officer, a job that most regarded as a glorified valet. But McCain turned it around into an apprenticeship for his later role.
His home life meanwhile took a downturn. The long separation had put his marriage under tremendous strain and he broke up with his wife Carol. Later he remarried, this time to Cindy Hensley. He retired from the Navy in 1981 with a chestfull of medals, and moved to Arizona. After working for his father-in-law’s firm for a while, he went into politics, winning the North Arizona seat to the House of Representatives as a Republican candidate.
In 1986, McCain got elected to the Senate and continued to be reelected till the very end. He became a member of the Armed Services Committee, Commerce Committee and other high profile organisations. Along with the highs of visibility on the national stage, he had his share of lows, as he got embroiled in scandals and smear campaigns. His role in the Keating scandal earned him a mild rebuke but he continued to serve public office. McCain developed a reputation for independence and common sense politics. He took pride in challenging party leadership and establishment forces, becoming difficult to categorize politically, coming to be known as the Maverick Republican.
He advocated for restoration of normal relations with Vietnam reasoning that instead of seeking to vainly isolate Vietnam from the rest of the world, America should use its influence and power to render that country more susceptible to their own values. He praised the Democrat president, Clinton for his efforts to reopen dialogue with Vietnam.
McCain was particularly aware of the problems of military veterans and in 1991 he worked successfully to introduce the Veterans Hospice Benefit Act, that provided care to terminally ill veterans, and, the Agent Orange Act, legislation that affirmed certain diseases suffered by veterans could be the result of harmful chemical exposure related to their service, making them eligible for compensation.
As a member of the Senate Select Committee on POW/MIA Affairs, along with fellow Vietnam vet John Kerry, Democrat, he investigated into the possibility of American POWs remaining in Vietnam. The committee could find no evidence and concluded that there were no more POWs, a finding that was opposed by some veterans’ families.
In 1997, Time magazine counted McCain among the 25 most influential people in the US. Two years later he announced his candidacy as the Republican nominee for President. In his opening speech he downplayed his POW role stating, “I begin this campaign with no sense of entitlement, America doesn’t owe me anything.” He would eventually endorse President George Bush, though the two didn’t see eye to eye on many issues.
McCain made it his mission to go after issues where he saw the corrupting influence of large political contributions likely to twist issues in favour of large corporations, labour unions, wealthy individuals and other influencers. Along with Democrat Sen Feingold, he attempted to introduce a bill to limit the power of financial contributors. Despite widespread media support, the proposed reforms didn’t make it to vote. Similarly he took on the tobacco industry, seeking to raise taxes on cigarettes, aimed at discouraging teenage smokers, and providing more money for health care. Once again, despite support from the Clinton administration, it failed to become a law, primarily due to strong opposition from the moneyed tobacco lobby.
In 2008, he once again ran for President, choosing Alaska Governor Sarah Palin as his running mate, surprising many, as she was considered a political lightweight. Though it was a strategic error that eventually cost him the Presidency, as he later realized, he continued to defend Ms Palin’s performance, never once criticising her. He later admitted that he should have chosen Sen Joseph Lieberman, as he had been advised. He had not forgotten the lessons learned at the Naval Academy years ago, it was important to stand up for your team while acknowledging your own mistakes.
He avoided getting personal and showed respect to his opponents, just as he had refused to vilify the Vietnamese. During his 2008 election rallies when a woman passed disparaging remarks against President Elect Obama, he immediately cautioned her saying, “No ma’am, he’s a decent family man, a citizen with whom I just happen to have disagreements on fundamental issues.”
It was a measure of his greatness that President Obama often consulted him in private, since neither doubted the other’s sincerity and patriotism.
He avoided responding to provocative remarks. When President Trump, during one of his campaign speeches, tried to ridicule McCain’s time as a prisoner and the torture he had endured, McCain remained silent, choosing instead to let the wave of public indignation that followed, do the speaking on his behalf.
McCain’s insistence on doing what he believed to be the right thing was legendary. He had worked to introduce a bill to improve the lot of immigrants, while putting pressure on Mexico to strengthen their own measures to curb illegal migration. He had earlier even opposed US involvement in Lebanon and later Somalia, calling it a war without clear aims.
In 2017, he was diagnosed with brain cancer but came back to vote in the Senate on the Obama Health Care bill, which had been opposed by President Trump. He voted against his own party on the move to dismantle the Bill, saying “I believe that we (Republicans and Dems) should learn to work together and we haven’t really tried. Nor can I support (the motion) without know how much it would cost and how it would affect people.”
McCain had no time for tyrants and he perceived Vladimir Putin of Russia as one such person. When in July 18, President Trump met with Putin in private, later speaking favourably of him, overriding his own intelligence reports, on Russian interference in the 2016 presidential elections, McCain scathingly declared, “No prior president has abased himself more abjectly before a tyrant.”
A month later, he was gone. McCain chose his own pallbearers from both sides of the political divide. Leading his funeral procession were two ex-presidents – George Bush and Barak Obama. Among others was Vladimir Kara-Murza, a vocal critic of Putin.
 Most of all, he was seen as a man of principle, someone happy to sit down with his political opponents if there was a compromise to be reached.
"I will work with anyone to get this country moving again," he once said. "I will listen to any idea that is offered in good faith and intended to help solve our problems."
-       Cmde Sanjay Kris Tewari




Monday, July 30, 2018

What They Won’t Tell You About TVs At The Store



It’s Sunday and you’ve just settled with the morning newspaper and your cup of tea. A full page advertisement for TVs and other consumer electronics catches your eye. The prices are attractive, and you’ve been eyeing that fancy large TV on your friend’s living room wall for quite a while. You turn pages, more ads for TVs while prices seem to be getting better and better. The new models have a lot of features. You realise that your own old faithful TV is now past its prime. But you can’t seem to make sense of the terminology.

After breakfast, you visit the local store where the salesperson leaves you further befuddled, merely parroting the terms Full HD, UHD, 1080p and so on. Since the prices are vastly different, you are unable to make up your mind and since the salesman can’t and won’t explain the meaning of these terms, you leave in confusion.

Below are two typical ads for TVs that routinely appear in every Sunday newspaper, in this case picked out of the Mumbai Mirror. I have attempted to explain the terminology in simple terms, so that next time you walk into a Croma or a Vijay Sales showroom, to see TVs, you can make an informed choice.


In The Beginning
Going back a bit, towards the end of the 2000s or the noughties, digital TV became popular and TV format changed from SDTV (Standard Definition TV) which used 576 interlaced lines of resolution, to the substantially better HDTV (High Definition TV). HDTV came with 1080 horizontal lines scanned progressively from top to bottom every 1/60th second. This was a step forward from interlaced scanning where every alternate line was scanned or displayed every 1/30th of a second and the entire picture had to be scanned twice, in order to see the full picture.

Full HD, HDTV and 1080p
HDTV brought vastly improved picture quality. Manufacturers also started writing 1080p (1080 lines progressively scanned), which are really one and the same thing. Interlaced scanning is no longer used for TVs, so if you see 1080i, you should know that it is out of date. Further, HDTV and Full HD are also the same thing.
Each of the 1080 horizontal lines was divided into 1980 pieces, each piece being known as a pixel. Thus, the picture was divided into 1080x1980 or around 2 million pixels. In addition, HDTV brought in a wider aspect ratio of 16:9, meaning that viewers could enjoy a wider screen.

4K, UHD and Super UHD
Just when you thought you’d got your mind around it, along came newer jargon: 4K and UHD or Ultra High Definition. This is a step up from HDTV.

What UHD gives you is better clarity and a sharper picture on account of a much larger number of pixels having been crammed into the same space, four times more to be precise, as compared to HDTV. How it does this is, by increasing the number of horizontal lines from 1080 to 2160 and the vertical lines from 1920 to 3840. This gives you 3840x2160 = 8.3 million pixels working to make a sharp picture for you.

This is most noticeable on a large screen, where it makes sense to have UHD, in order to get a sharper picture, else the picture may get ‘pixellated’, that is you would see pixels, were the original resolution retained.

Besides the fact that you can see a better picture, you can in fact see the TV from a closer range. Hence, even in a relatively small room, you can have a large TV.

Super UHD is no different from UHD and the term only came in because some manufacturers started advertising their UHD products as “Super”.

HDR (High Dynamic Range)
While the 4K UHD TV gives you more pixels, an HDR TV can do a lot more with those pixels.
Contrast is measured as the difference between the brightest whites and the darkest blacks that the TV can display, also known as its Dynamic Range. It is measured in candelas/m2, also known as ‘nits’. At the deep dark end is 0 nits, which is completely black, currently possible on OLED (more about that later) TVs.

On the brighter side, it’s a different story. Standard Dynamic Range (SDR) TVs generally produce 300 to 500 nits. This is where the HDR TV scores big. Top end HDR TVs, can display northwards of 2000 nits of peak brightness.

As a matter of fact, at the Consumer Electronics Show 2018, Sony showed off a prototype capable of a whopping 10000 nits of peak brightness.

Dolby Vision®
While there are multiple HDR formats, there are currently two major players: Dolby Vision from Dolby Labs and the HDR 10 open standards. Dolby was the first to introduce Dolby Vision and for some time, HDR meant Dolby Vision only.

Any manufacturer wishing to produce HDR TV had to approach Dolby and pay them a royalty and comply with their terms and conditions. Since this was restrictive, various manufacturers began working on alternatives.

By 2016, the UHD Alliance, an industry group comprising LG, Sony, Panasonic, Dolby and others introduced an HD Premium certification for UHD Blu Ray players. This set the baseline industry standards for HDR (currently minimum 1000 nits).

OLED (Organic LED) Displays
The earlier LCD screens required a set of LEDs behind the liquid crystals on the display, in order to light up the screen as the LCD by itself did not emit light. Flat Light Emitting Technology was made possible by placing a series of organic thin films between two conductors. OLEDs are emissive displays, hence they don’t require back lighting. The result is that OLED displays are substantially thinner than LCD displays.

OLEDs produce the best image quality and can also be transparent, flexible, foldable and even rollable. OLEDs give you a number of things that LCDs cannot viz. greater contrast, higher brightness, fuller viewing angle, a wider colour range and lower power consumption.
And no, OLEDs have nothing to do with organic food. They are organic because they are made from carbon and hydrogen. They contain no bad metals. Examples of mobile phones using OLEDs are Galaxy S8, S8+, iphone X and Note 8.

QLED (Quantum Dot LED)
Quantum Dots are tiny particles between 2 and 10 Nanometres in dia. They have the ability to give off different colours according to their size. The advantage is that they are capable of emitting brighter, more vibrant and more diverse colours – the kind of colours that can really make HDR shine.

Unlike OLED TVs, which require a separate backlight for illumination, QLED TV controls the light emitted by various pixels, so that better contrast ratios are possible.

ThinQ® - LG’s Artificial Intelligence technology
ThinQ is a brand from LG that groups together premium appliances and consumer electronics under one banner. Products that carry the ThinQ brand will be intelligent and able to communicate with one another and employ LG’s own deep learning tech, in order to understand your habits and needs.
Products with ThinQ will employ other companies’ Assistant Technology eg. LG is releasing an updated version of its Instaview refrigerator with Amazon Alexa Support, which has the ability to talk to connected ovens and even dishwashers.

That’s it for TVs, more about mobile phones later.

Friday, July 27, 2018

The Naval Sword


The Navy is the only branch of India’s Armed Forces that continues to have a sword as part of an officer’s uniform. Although Army officers do wear swords on parades, it is rare to see an army officer wearing a sword off the parade ground. Since the Indian Navy is closely linked to the British Royal Navy (RN) insofar as uniforms and ceremonial are concerned, one would have to delve into the RN’s history to understand the evolution of the Naval Sword. Indeed, even the US Navy uses swords that are a minor variation of the RN model.

Origins
Swords began their time on board ships since the invention of the weapon. Naturally the higher in status a mariner was, the better weapon he would be expected to possess. In particular, the “mark of a gentleman” for many hundreds of years in British society was the sword, probably dating from the days of knightly vows where the knight’s sword was his most prized and revered weapon. 

It was the sword that made him a knight, after all, in the ceremony in which he was “dubbed” by tapping him on both shoulders with the naked blade. His honour, therefore was attached to the sword.

Officers were first granted a uniform in 1748, however no regulations regarding the wearing of swords was detailed.   At this time officers wore their swords from a shoulder belt, something which can be seen in many portraits of officers of the time.

A regulation sword was introduced in 1805 at which time ordered that the sword would be hung from a cavalry-type waist belt, which had two slings of different length, so that the sword trailed on the ground.  It was an elegant if impractical design. It is perhaps relevant to note that at this time appearance was more important that serviceability in uniforms.  A regulation of 1825 stated that sword belts in dress uniform were to be of silk, but that a black leather belt could be worn in undress uniform.

In 1827 a new pattern of sword was introduced and again the regulations for wear were amended, this time by reverting to a shoulder belt, worn under the waistcoat.   Silk sword belts were restricted to wear in the drawing room only.   A black leather belt with a frog to hold the sword was introduced for wear with great coats in 1829.

The regulations were amended again in 1832 with the sword to be worn on a waist belt, suspended from slings of unequal length again.   This was further changed in 1847 when the slings were to be of equal length. This process went on and it was only in 1929 that the present straight, single edged sword with slings of unequal length was finally adopted.

Notwithstanding the evolution, it is remarkable that the sword has survived the upheavals of the twentieth century. The sheathed officer's sword, however, owes its survival to a different reason. As the gentleman's weapon of the 16th 17th, and 18th centuries, it was only natural that it should be incorporated into the naval officer's uniform. The wearing of the sword thus distinguished the well-born "gentleman" from the lower classes, and the naval officer was able to wear a sword as a "gentleman."

Even today, at the commencement of a court martial, an officer’s sword is taken from the accused, and at the end of the trial it signifies whether the officer is guilty or not, by being presented on a table when the person is brought back into court after the presiding board’s deliberations. If found not guilty, the sword hilt is towards the officer, signifying that one’s honour and duty can be taken up again. If guilty, the point is presented. In that case he does not carry the sword when he leaves.

If the officer is acquitted, the sword is returned to him ie his “honour is restored”.

Construction
The naval sword has a blade length of 31” and width at the hilt of 7/8”. The sword has a gold plated brass hilt and hand-guard, with a pommel in the shape of a lion. The grip is white, with fish skin being used in the original versions along with gold wire to secure the grip. The unique feature of the naval sword is the small hinged lip of the guard which can be folded down to engage with a pin on the scabbard. This feature proved most useful to prevent the scabbard falling off when climbing over a shipside, or in stormy weather, and hence preventing embarassment to the wearer!

The material chosen for the blade was high carbon steel, which had greater tensile strength than stainless steel, meaning there were lesser chances of the blade chipping or breaking during engagements. The material currently being used is AISI 1055.

Scabbard - The scabbard was made of rawhide with gold plated brass mounts. Swords used by Flag Officers were similar, but were more ornate with engraving on the brass mounts of the scabbard.

The Naval Knot – The “Knot” was in fact originally a loop of leather or other material secured to the sword hilt. Before an engagement, the swordsman wrapped the loop around his wrist to prevent loss of his weapon, should he need to relax his grip or if the sword were struck from his grasp. From these basic origins, the sword knot has evolved into its present ceremonial and ornamental form.

Swords For Warrant Officers – In 1832, a new pattern with black grips was introduced for Master-At-Arms and Warrant Officers. The other difference was that these ranks “wore” their swords, while officers “carried” their swords.

Carrying of Swords
There was a story circulated at some stage in the early part of the 20th century, relating to the reason why Naval Officers carried their swords as opposed to Army officers who wore their swords on their belts at their waists. The story was that following some disgrace within the RN, perhaps a mutiny, an order was once given that naval officers could not wear their swords, as they were not gentlemen. Instead, they would have to carry them. It was also rumoured that the order had come from Queen Victoria herself. Eventually, it was firmly stamped as nothing more than a fairy tale and a rumour.

In any case, even the most doubting skeptic would agree that the Monarch could scarcely be expected to do something that would affect the morale of the Navy.

In the 18th century, military uniforms were at the height of fashion with splendidly dressed cavalry officers among whom the Light Horse were considered the most dashing. To draw attention to themselves while on foot, troopers and officers alike let their spurs jangle and their steel-shod scabbards rattle over the cobblestones. 

This is the origin of the phrase “sabre rattling”, which denotes a swaggering, bullying attitude.

Everyone wore trailing swords, which had to be carried. So it is the case, perhaps, that all military personnel once wore their swords in a hanging fashion, with the slings as long as possible, so as to draw attention to the wearer. 

The army personnel of the world have now lifted their swords to their belts, as no doubt soldiers often had to do for practicality’s sake, with their practice of drill, but the navy still carries theirs, perhaps because they rarely wore swords, and therefore never saw a need to change.







Besides, having a “detached” sword makes it a lot easier to carry while being transported in a small boat.