unfollow @elbitsystemsus blocked blocked @elbitsystemsus unblock unblock @elbitsystemsus pending pending follow request from @elbitsystemsus cancel cancel your follow request to @elbitsystemsus more copy link to tweet embed tweet a pilot's perspective | learn what makes our unprecedented #f helmet mounted...
lithium hydroxide absorbent sealed inside a double walled membrane, which keeps carbon dioxide concentrations at safe levels during the hood's service period. designed for safety service/end-of- service indicator the pbe features a battery- powered green and red light service/end-of-service indicator. mounted...