Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.
The House Armed Services’ Tactical Air and Land Forces Subcommittee has shed light on one of the more bewildering defense procurement realities: the Army and Marine Corps’ use different 5.56x45mm ammunition for what are largely the same group of weapons like the M4, M16A4, and the M249 Squad Automatic Weapon. The Army uses the M855A1 Enhanced Performance Round, while the Marines have made efforts since 2010 to switch to the Mk318 Special Operations Science and Technology round.