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1st
means IOC 1st Information Operations Command
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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
517 PRCT
- 517th Parachute Regimental Combat Team
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