Operation

P O S T A G R A M [Handwritten annotation] I 152 : H.Q. R.A.F. M.E. : S.I.O. 21 SQUADRON, S.A.A.F. Serial No. : 21 Sqdn/310 Date : 9 JUN 43 OPREP No. 310 for period ending 2100 hrs. 9 JUN 43 A Medium level bombing attack on battery positions at F 175050 (Ref. Map: PANTELLERIA 1:25,000) B 12 Baltimores (6 Mk. 111 & 6 Mk. 111A) C (1) Medium level bombing. (11) 8000 ft. (111) 2003 hrs. D (1) 35 x 500 G.P. ) 3 x 500 S.A.P. ) 49 Det. Delay .025. Tail pistol 28. 6 x 500 M.C. ) E Nil. F Nil. G Nil. H (1) 1915 hrs. L.T. (11) 17 hrs. 00 mins. J Weather & Visibility good. Scattered St.Cu. at 10000 ft. K No Ack/Ack bursts seen. COMM: NIL. T.O.O. 2100 hrs. 9 JUN 43 [Signature] ....................Capt. S.I.O. 21 SQUADRON, S.A.A.F.

1943-06-09

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Form 541

MAP

Transcriber's Notes

Phase 2: Technical Expansion Glossary of Terms The document header utilizes the term POSTAGRAM, which designates a standardized military message dispatched via expedited telegraphic or courier networks. The handwritten annotation "I 152" serves as an internal archival sequence reference. The routing abbreviation H.Q. R.A.F. M.E. expands to Headquarters Royal Air Force Middle East, the supreme theater-level command authority. The transmitting authority is identified as the S.I.O., or Squadron Intelligence Officer, representing 21 SQUADRON, S.A.A.F., the South African Air Force. The acronym OPREP signifies an Operational Report, used to summarize tactical activities over a specified period. The aircraft utilized are Baltimores, referring to the Martin Baltimore twin-engine medium bomber, with the clerical typing Mk. 111 and Mk. 111A representing the Mark III and Mark IIIA variants . Ordnance parameters utilize G.P. for General Purpose, S.A.P. for Semi-Armour Piercing, and M.C. for Medium Capacity munitions. The technical firing sequence involved a 49 Det., or Detonator Number 49, with a .025 fractional delay, used in conjunction with a Tail pistol 28, a specific aerial bomb tail fuze designed to ensure structural penetration prior to detonation. The abbreviation L.T. stands for Local Time. Meteorological notations log St.Cu. for Stratocumulus clouds. The term Ack/Ack is a phonetic colloquialism for Anti-Aircraft artillery fire. Finally, COMM: stands for Communications flying, and T.O.O. indicates the Time of Origin, logging the exact military hour the dispatch was authorized. Operational Context This operational report, cataloged for June 9, 1943, documents 21 Squadron SAAF's second completed tactical mission of the day during the intensive final phase of Operation Corkscrew. Following the axis defeat in North Africa, the Mediterranean Allied Air Forces focused concentrated aerial pressure on the fortified Italian island of Pantelleria . Neutralizing the island's coastal artillery was a strategic prerequisite for securing the maritime lanes required for Operation Husky, the invasion of Sicily. The squadron's twelve Martin Baltimore bombers targeted battery positions at grid coordinate F 175050 from a bombing altitude of 8,000 feet. The execution of the strike at 2003 hours indicates a late-evening bombardment intended to maintain 24-hour pressure on the garrison. The deployment of forty-four 500-pound munitions—heavily weighted toward General Purpose and Medium Capacity types—equipped with delayed tail fuzes illustrates a calculated attempt to maximize blast effects against reinforced surface structures and personnel shelters. The reporting of zero anti-aircraft bursts over the target area suggests that the cumulative weight of Allied bombardment had successfully suppressed or neutralized the island's defensive batteries in this sector, allowing for an unhindered delivery of ordnance and the safe recovery of all aircraft after seventeen hours of total squadron flight time. 199 Phase 1: Verification & Extraction Identity Check The exact date found in the 'Date' column of the image is 9 JUN 43.