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Military Pics / Photos

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The 18-hour submarine day was introduced by the Navy in the 1960s to solve a specific physical limitation: nuclear-powered submarines could stay submerged for months, but human attention spans could not. Leadership capped watch shifts at 6 hours, believing shorter shifts would keep sailors sharply focused while monitoring complex nuclear reactors. Because submarines are small and cramped, the crew could only be divided into 3 watch teams. Rotating these 3 teams through 6-hour shifts created a repeating 18-hour loop.
The Physical Cost of Permanent Jet Lag
For nearly 45 years, this mechanic forced a brutal biological distortion. A sailor’s 12 hours off watch were strictly divided: 6 hours for equipment maintenance, mandatory training, and meals, leaving just 6 hours for sleep. Because the loop was only 18 hours long, sleep times rotated backward by 6 hours every single cycle. A sailor sleeping at midnight on Monday would find themselves forced to sleep at 6:00 PM on Tuesday, and 12:00 PM on Wednesday.
Without daylight to set a baseline rhythm, sailors were effectively subjected to 6 hours of artificial jet lag every calendar day. Decades of medical data eventually proved that trying to beat natural circadian cycles caused chronic sleep deprivation, profound fatigue, and compromised operational alertness during monotonous deep-sea deployments.
The 2014 Circadian Revolution
Following extensive testing by the Naval Submarine Medical Research Laboratory, the Navy authorized a fleet-wide transition away from the 18-hour loop between 2013 and 2014. The fix required a total shift in mindset: instead of modifying the day to fit the shift, they modified the shift to fit the 24-hour day.
The Navy maintained the same 3-section crew rotation but stretched the blocks of time. Under the new standard, watch shifts increased from 6 hours to 8 hours. Consequently, the time off watch expanded from 12 hours to 16 hours.
The Reality of the Modern Standard
The shift to a standard 24-hour day immediately stabilized the crew's internal biological clocks. Sailors on a modern submarine now stand watch and go to sleep at the exact same time every single day. The extra 16 hours off watch provides a protected, predictable 8-hour sleep window, leaving another 8 hours entirely free for maintenance, drills, and physical training. Fleet reports following the transition showed an immediate surge in crew morale, a drastic drop in chronic fatigue, and vastly improved mission execution across the submarine force.
 
That's the way it was back then. I never heard my grandfather's, dad or brother ever talk about their time in the service. They did their job, then came home and got on with their lives. It's way different now days.
My Dad was a lieutenant commander in the United States Navy, and had two uncles who also served. They talked about some stuff, but not a lot.
I had a cousin Kenny who was about 10 years older than me.
When he came back from Vietnam, he wasn't the same person.
My Dad tried to take him under his wing, but he ended up turning to alcohol and fell asleep one night in his tiny apartment with the bed burning.
My Mother cried for months after that.
 
Old military truism - those who talk the loudest have usually done the least.
I don't know much, but I know one grandfather was on a ship in Pearl Harbor when the Japs attacked, and his first ship was sunk. Later he was on another ship that was also sunk. My other grandfather was with Patton in North Africa and Europe, I think. My dad lied about his age and joined the Marine Corp at 16, late WW11 and later Korea. My brother was in Vietnam Nam era.
I wish I knew more, but they never talked.
 
Most of us don’t talk about it because we didn’t really do extraordinary things.
And unless you’ve actually been through a war, whether you were infantry or support, you just wouldn’t understand.

My daughter has been going with me to my annual Army infantry division reunions and she’s learning a lot when we sit around in the hospitality room BS’ing with each other about days gone by.
We can, and do, talk about the war with each other.

This September will be my daughter’s sixth reunion and my 19 year old granddaughter’s third.
I’ll be renting an SUV and we’ll be driving to Green Bay.

I’ll post pictures.
 
The Brotherhood NEVER fades.
To me it matters not if my Brother or Sister was wartime or peacetime; on land, sea, or air; Stateside or combat; Soldier, Sailor, Marine or Airman; none of that is relevant. We are Brothers and Sisters, period!

THIS is why I thank Jesus that He allowed me to experience not only the US military, but to go war and return. Nothing else in my life really compares. I don't think that civilians would ever understand.

Each September the veterans of the 5th Infantry Division, US Army hold a reunion that lasts 4 days. This year it's in Green Bay. I'll be with the guys I was in Vietnam with. This will be the fifth one my daughter has attended with me, and the third for my granddaughter.
My wife has never been able to attend, one or the other of us has to always be home to care for the animals.

I'll post pictures here for sure.
 
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