1-D
1-down
1 UP
10-round magazine
100-round ammunition belt
12.7×99mm NATO
13-pole
180º turn / U-turn
1980 Convention on Certain Conventional Weapons (CCW, the)
1MC
1st Lieutenant (1LT)
2-down
2 UP
200 round minimi ammunition pouch
2008 Convention on Cluster Munitions, (CCM, the)
2nd Lieutenant (2LT)
3-D radar; 3D radar
30-Round magazine
.338 Lapua Magnum (8.6×70 mm or 8.58×70 mm)
360° fixed radar
3CF (three column format 1. Factor - What; 2. Deduction, Analysis / Implication – Why; 3. Output - So What)
3PL (third-party logistics)
4D logistics checklist (Destination, Duration, Demand, Distance)
4GW (fourth-generation warfare)
.50 BMG (.50 Browning Machine Gun, 50 Browning)
50% zone
51mm mortar bandolier
550 cord
7.62 NATO cased-telescoped ammunition
70% breadth zone
8-shot lead
8-speed automatic gearbox
95th-percentile crewmember