O7 means Officer grade: Commodore, Rear Admiral Lower Half, or Brigadier General in Military




Similar to O7

4-W - 4-Wire
407 RRD - 407th Radio Research Detachment
442 RCT - 442nd Regimental Combat Team
48 FW - 48th Fighter Wing
4ID - 4th Infantry Division
4WW - The Fourth World War
503 RCT - 503rd Regimental Combat Team

View all in Military