DIO in Military could mean:
Displaying 1-2 of 2 result(s).
Defense Industries Organization
in Military
Director of Industrial Operations
in Military

Similar to DIO

1CAV - 1st Cavalry Division
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

View all in Military