G-1 means Army or Marine Corps Component Manpower or Personnel Staff Officer Army Division or Higher Staff, Marine Corps Brigade or Higher Staff in Military
Similar to G-1
0K - Zero Killed 1 WVI - First West Virginia Infantry Regiment 100BASE-T - 100 Megabits per second, Baseband, Twisted pair 100ID - 100th Infantry Division 101AD - 101st Airborne Division 102 RQS - 102nd Rescue Squadron 106 RQW - 106th Rescue Wing