Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

NR. No. GR. No. OFFICE SERIAL No. A.M. FORM No. 1479 MOST SECRET TO BE KEPT UNDER LOCK AND KEY AND NEVER TO BE REMOVED FROM THE OFFICE. THIS FORM IS TO BE USED FOR AIR INTELLIGENCE MESSAGES ONLY. DATE TIME OF RECEIPT TIME OF DESPATCH SYSTEM TO: FROM: SENDER'S No. CX/MSS/456/T16. ITALY AND AFRICA. MILITARY OPERATIONS. FOLLOWING REPORT FROM OTTO LUCHS AT 1900/21/11 TO IDA BISON VIA IDA PINTSCHER: 1. ABOUT 40 TANKS ENDEAVOURED TO BREAK OUT FROM TOBRUK ON 21/11, AND TO LINK UP WITH THE FORCES ATTACKING FROM S.E.