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GI glasses are issued at government expense to new recruits at recruit training or Officer Candidate Schools in the United States military. When entering recruit training, service members may wear civilian glasses until government-issued ones are assigned, including but not limited to the BCG. Contact lenses are never permissible for these ...
The U.S. military standard (MIL-PRF-31013), requires (at a minimum) that ballistic eyewear can always withstand a 0.15 caliber, 5.8 grain, T37 shaped projectile at a velocity of 640 to 660 feet per second (approximately 3.8 mm 0.376 g at a velocity of 195 – 201 m/s). Goggles are required to stop a 17-grain fragment simulating projectile ...
Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.
The military "flying sun glasses (comfort cable)" were standardized in November 1941. They were produced in large quantities (several million pieces) for pilots and sailors. The lenses were made to a joint standard shared by the U.S. Army Air Corps and the U.S. Navy. As a result, the lens carried an "AN" (Army/Navy) specification number: AN6531.
The military "flying sun glasses (comfort cable)" were standardized in November 1941. They were produced in huge quantities (several million pieces) for pilots and sailors. The lenses were made to a joint standard shared by the U.S. Army Air Corps and the U.S. Navy. As a result, the lens carried an "AN" (Army/Navy) specification number: the AN6531.
The White House Medical Unit during the Trump administration provided prescription drugs, including controlled substances, to ineligible staff and spent tens of thousands of dollars more on brand ...
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related to: us army issue prescription glasses pictures and information imagesFirst great made-on-the-internet brand. - Fast Company