http://www.blackanthem.com/News/U_S_Milita...sert15460.shtml
The Soldiers of the combined-arms battalion wore protective face guards and full force protection equipment to protect themselves from the gas-propelled, plastic-tipped training ammunition used to add a degree of realism to the training event. (U.S. Army photo by Spc. David Hodge, 1st BCT PAO, 4th Inf. Div., MND-
используются для защиты лица от особого боеприпаса (plastic-tipped training ammunition).