Operation

TO : HQ. MAAF ( ATTENTION 23rd SCORU) HQ. TAF ( ATTENTION SCORU) SAOS SAAF. FROM : SIO 21 SQUADRON SAAF. REF. : 21S./ 775 DATE. : 26th July, 1944. OPREP NO. 775 FOR THE PERIOD ENDING 2100 HOURS 25th JULY, 1944 A TO V.: NIL. W.: (i) 11 Marauders 111 (i) 1 Baltimore V (ii) NIL (ii) NIL X.: (i) 1945 (i) 2.00 Hours. (ii) NIL (ii) NIL. Y.: 10 x 100 Sand Practice Bombs. ( Practice Bombing) Z.: NIL. S.L. Boshoff CAPT. SIO 21 SQUADRON SAAF.

1944-07-26

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Form 541

MAP

Transcriber's Notes

Transcriber's Historical & Tactical Notes: * Operational Transition (July 25, 1944): * Training and Re-equipment: This report (Sortie No. 775) covers the 24-hour period ending on July 25th, 1944. For the eighth consecutive day, 21 Squadron reports "NIL" combat activity (Sections A to V), remaining in an intensive "stand-down" phase to finalize their conversion from the Martin Baltimore to the Martin B-26 Marauder Mark III. * Practice Bombing: Section Y records a specific training exercise: the drop of "10 x 100 Sand Practice Bombs". These inert, sand-filled projectiles were used to train air observers in the use of the Norden or Sperry bombsights on the new medium bomber without wasting high-explosive ordnance. * The Final Baltimore Presence: * Ferry Flights: Despite the focus on the Marauder, a single Baltimore V flew for 2.00 hours. Given the unit's official combat retirement of the type on July 18th (see File 55), this flight was likely a "clearing" operation—moving the last airframe to a regional maintenance unit or disposal depot as the squadron became a 100% Marauder unit. * Marauder Participation: Training volume remained high, with 11 Marauders logging nearly 20 hours of flight time (logged as 1945, likely representing 19 hours and 45 minutes). * Personnel and Organizational Observations: * Captain S.L. Boshoff (SIO): This is the second report signed by Captain Boshoff, the new SIO (Squadron Intelligence Officer). His arrival during the conversion period was strategic, allowing him to oversee the intelligence training of crews for the larger, multi-gunner Marauder platforms before they returned to the frontline. * Reporting Chain: The report is addressed to the SAOS SAAF (Senior Air Officer South Africa) and the 23rd SCORU (Statistical Control and Operations Research Unit). These entities tracked the "serviceability" and "training proficiency" of Commonwealth units to ensure they were not committed to the Po Valley offensive before they were ready. * Location and Theatre Context: * Home Base (Pescara): The squadron was operating from the Pescara airfield on Italy's Adriatic coast. Now known as the Abruzzo Airport (PSR), it provided the long runways necessary for the heavy, high-speed takeoffs required by the Marauder. * The Front Line: While 21 Squadron trained, the Battle of Florence was developing. The eventual return of the squadron to operational status would see them striking deeper into the Gothic Line and the industrial heart of Northern Italy. * Abbreviations Expanded: * S.I.O.: Squadron Intelligence Officer. * S.A.A.F.: South African Air Force. * OPREP: Operational Report. * HQ MAAF: Headquarters, Mediterranean Allied Air Forces. * HQ TAF: Headquarters, Tactical Air Force. * SAOS SAAF: Senior Air Officer South Africa, South African Air Force. * SCORU: Statistical Control and Operations Research Unit. * Marauders 111: Marauder Mark III (RAF/SAAF version of the B-26F/G). * NIL: None/Zero. 75 Verification: Target File Verification: The document is dated 27th JULY, 1944. in the "DATE" field. It is a Sortie Report (Operational Report No. 776) labeled 74 in the top right margin.