Operation

APPENDIX "G" 237 TO : H.Q. MAAF (attention 23rd SCORU) H.Q. NATAF (attention 2nd Command Unit 23rd SCORU) SAOA SAAF FROM : SIO 21 SQUADRON SAAF REF : 21S/657 DATE : 4th May, 1944 OPREP No 657 for period ending 21.00 hrs on 4/5/44 REF MAP ITALY 1:100,000 Sheet 116 GUBBIO 12 Balts were airborne from Biferno at 15.27 hrs to attack FABRIANO MARSHALLING YARDS. After R/V at Penna Point, Formation, with 223 Sqdn (leading) and 16 Spitfires as close escort, set course at 15.48 hrs and bombed in two boxes from 11,000 ft at 17.40 hrs on a course of 360 degs. Pattern of both boxes right line error across extreme southern portion of target with possible direct hits on the double-track line. All A/C down by 18.47 hrs. No enemy opposition. Weather: Target clear but visibility hazy. B: (i) 8 Balts IV (ii) NIL (i) 4 Balts IV (ii) NIL C: NIL D: (i) 18.40 hrs (ii) NIL (i) 09.20 hrs (ii) NIL E: (i) 25600 x .30 2400 x .303 5600 x .50 (ii) & (iii) NIL (i) 12800 x .30 1200 x .303 2800 x .50 (ii) & (iii) NIL F: (i) 16 x 500 MC 24 x 250 GP (ii) as above (iii) & (iv) NIL (i) 8 x 500 MC 12 x 250 GP (ii) as above (iii) & (iv) NIL FUSES: 49 det 27 pist Nose 36 det 28 pist Tail to V: NIL W: (i) 1 Balt III, 2 Balt IV 00.45 hrs 01.05 hrs (i) NIL (ii) NIL to Z: NIL S.L. Boshoff Lt for LtCol O.C. 21 Squadron, S.A.A.F. (Handwritten note): FL: Major Job

1944-05-04

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Form 541

MAP

Transcriber's Notes

Transcriber's Historical & Tactical Notes: * Strategic Interdiction (Fabriano): * The Target: The objective was the Fabriano Marshalling Yards (Sheet 116 Gubbio). Fabriano, located in the Marche region inland from Ancona, was a pivotal hub on the Rome-Ancona railway line. Strikes here were part of Operation Strangle, designed to choke off supplies flowing from Northern Italy to the German defensive lines at Cassino. * Damage Assessment: The report notes a "right line error across extreme southern portion of target". While the main concentration may have drifted, the bombardiers still managed "possible direct hits on the double-track line." Severing a double-track line was significantly more damaging than hitting a single track, as it halted two-way traffic and required extensive repairs. * Tactical Execution: * Rendezvous Point: The formation rendezvoused (R/V) at "Penna Point". This refers to Punta della Penna (near Vasto), a prominent coastal headland often used as a visual assembly point for aircraft departing the Foggia/Termoli airfield complex before turning inland. * Escort: Unlike the morning's failed mission, this afternoon sortie secured "16 Spitfires as close escort", allowing the bombers to penetrate deeper into enemy territory (Fabriano is significantly further north than the morning targets near Rome). * Flight Leader: The handwritten note "FL: Major Job" confirms that Major Job led this mission. This demonstrates the high operational tempo for flight commanders; Major Job was leading complex missions repeatedly during this buildup to the Diadem offensive. * Mechanical Attrition: * Early Returns: Section W lists three aircraft that returned early: "1 Balt III, 2 Balt IV" with flight times of roughly an hour. An abort rate of 3 aircraft out of a scheduled wing is relatively high (usually due to engine trouble or hydraulic failures), reducing the striking power of the formation. * Abbreviations: * R/V: Rendezvous. * A/C: Aircraft. * MC: Medium Capacity (High Explosive). * GP: General Purpose. * S.L.: Squadron Leader (rank, though Boshoff signs as Lt). * O.C.: Officer Commanding. 25 Verification: Target File Verification: The document is SQUADRON ROUTINE ORDERS NO. 39/44 dated 4th May, 1944 in the top right header. It is labeled APPENDIX "H" (page number 238).