17th Artillery Group Unit Crest (The Inner Ring) - Sold in Pairs SBBP~140_ARDD-plate it's a zeroing target for

it's a zeroing target for the M16A2/M16A4 weapon that eliminates worry about getting it wet

prevent debris entering

United States Navy W-2 Soft Shoulder Marks - Repair Technician

United States Army 807th Medical Brigade Combat Service Identification Badge

from premium steel and have a positive locking mechanism

17th Artillery Group Unit Crest (The Inner Ring) - Sold in Pairs SBBP~140_ARDD-plate it's a zeroing target forUnited States Army 17th Artillery Group Unit Crest (The Inner Ring) Criteria: These distinctive unit insignia (DUI) are worn by the 17th Artillery Group (Air Defense). Their motto The Inner Ring is emblazoned on each crest. Approved for wear in 1969. Unit crests are worn on the Army Service Uniform (ASU) and Army Class A Uniform (Greens). Note: Sold in pairs (i. e., if you order a quantity of 1 you will receive two Unit Crests).