G-3 means Army or Marine Corps Component Operations Staff Officer
Army Division or Higher Staff, Marine Corps Brigade or Higher Staff in
Military
Similar to G-3
1CD - 1st Cavalry Division
1LT - First Lieutenant
1MC - General Announcing System
1MX - 1st Battalion The Middlesex Regiment
1NCD - 1st Naval Construction Division
1SG - First Sergeant
1st - IOC 1st Information Operations Command
Land
View all in Military