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System Development Notification
in Military
Service Drawing Number
in Military
Send Data Now
in Military
114129114130114131
Similar to SDN
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