Documents OP 1280 (1955) A-C Bombs

6’ * * - CONFIDENTIAL NAVY DEPARTMENT BUREAU OF ORDNANCE 25, D. C. ’ -,! CHANGE 2 23 July 1957 WMHINGTON insert change; write on cover ‘Change 2 inserted’ Approved…

Documents OP 1280 Aircraft Bombs

6’ * * - CONFIDENTIAL NAVY DEPARTMENT BUREAU OF ORDNANCE 25, D. C. ’ -,! CHANGE 2 23 July 1957 WMHINGTON insert change; write on cover ‘Change 2 inserted’ Approved…