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In the 1940s, manufacturers figured out how to sand and make safety glasses and goggles for welders, construction workers, and the like. In the early 1960s the U.S. government sponsored experiments testing the ballistic performance of various plastics and glass for potential use in eyewear, using tests similar to those required by today's U.S ...
Goggles are required to stop a 17-grain fragment simulating projectile moving at a speed of 550 feet per second (approximately twice the energy impact of spectacles). For testing, the velocity of the projectile must be verified using sound or optical chronograph methods. The eyewear is put on an Alderson 50th percentile male headform.
An officer inspects enlisted sailors in Service Dress Blue (2008) A female U.S. Navy officer in Service Dress Blue uniform (2012) The Service Dress Blue (SDB) uniform consists of a dark navy blue suit coat and trousers (or optional skirt for women) that are nearly black in color, a white shirt, and a black four-in-hand necktie for men or a neck tab for women.
Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, electrical, heat, chemical, biohazards , and airborne particulate matter .
Tactical pants were originally worn by mountain climbers as more durable outdoor apparel, but are now available in different styles. Various styles use arrangements such as lower leg straps for stealth, additional pockets for stowage, and are reinforced with bar tacks , gussets , knee pad inserts and certain brands are coated with Teflon .
The AN/PSQ-42 Enhanced Night Vision Goggle-Binocular (ENVG-B) is a third-generation passive binocular night vision device developed for the United States Army by L3Harris. It combines dual tube image-intensifying (I²) and thermal-imaging technologies into a single goggle, enabling vision in low-light conditions.
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However, due to concerns that the shirts would melt to the skin in the event of a fire or explosion, they are banned when a Marine is deployed to a combat zone. [20] However, the Marine Corps has worked with Danskin to develop their own moisture wicking shirts under the "Elite Issue" line, [ 21 ] ultimately creating and issuing the Flame ...