Operation

APPENDIX "O" 246 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/666 DATE : 12th May, 1944 OPREP No.666 for period ending 21.00 Hrs on 11th May, 1944 REF MAP ITALY 1:100,000 SHEET 160 CASSINO 12 Balts off by 14.15 hrs with a load of 40lb frag. bombs to attack Gun Positions at G.662177 and G.682201 (5 miles West of Pontecorvo). At 14.38 hrs formation was instructed by W/T to bomb supply dumps near LORETO (briefed as the alernative target). On arrival over target whole area was found covered with 10/10th cloud (9,000' tops) and the formation returned to base with all bombs. Last A/C down at 15.55 hrs. No enemy opposition. B: (i) 7 Balts IV (ii) NIL (i) 5 Balts V (ii) NIL C: NIL D: (i) 11.10 Hrs (ii) NIL (i) 7.50 Hrs (ii) NIL E: (i) 22,400 x .30 2,100 x .303 4,900 x .50 (ii) & (iii) NIL (i) 16,000 x .30 1,500 x .303 3,500 x .50 (ii) & (iii) NIL F: (i) 28 containers 40lb Frag. (ii) (iii) & (iv) NIL (i) 20 containers 40 lb Frag. (ii) (iii) & (iv) NIL (Fused 52 Det 45 Pist.) to Z: NIL S.L. Boshoff Lt for Capt S.I.O., 21 Squadron, S.A.A.F. (Handwritten note): Lt Col Jandrell

1944-05-12

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Form 541

MAP

Transcriber's Notes

Transcriber's Historical & Tactical Notes: * Prelude to Operation Diadem (D-Day Minus 1): * The Date: Although the report is dated May 12th, the text specifies the "period ending 21.00 Hrs on 11th May, 1944" with a takeoff time of 14:15. This places the mission on the afternoon of May 11th, mere hours before the massive Allied artillery barrage at 23:00 that signaled the start of Operation Diadem, the final assault on Cassino and the drive to Rome. * Primary Target: The flight was initially tasked to hit "Gun Positions... 5 miles West of Pontecorvo". This was a suppression mission intended to knock out German artillery along the Hitler Line just before the ground assault began. * In-Flight Redirection (Command and Control): * W/T Instruction: The report notes a rare mid-air change of plan: "At 14.38 hrs formation was instructed by W/T [Wireless Telegraphy] to bomb supply dumps near LORETO". It is likely that weather scouts or forward observers reported the primary target was obscured or that the tactical situation had shifted, prompting the controller to switch the squadron to their pre-briefed alternative target. * Weather Frustration: Unfortunately, the alternative target (Loreto) was also "covered with 10/10th cloud," forcing the squadron to return "with all bombs". Landing with a full load of live cluster bombs was a delicate operation, adding stress to the pilots' return. * Command Leadership: * Lt. Col. Jandrell: The handwritten note "Lt Col Jandrell" indicates that the Officer Commanding, Lieutenant Colonel A.C. Jandrell, personally led this mission. It was common for COs to lead "maximum effort" raids or missions of particular strategic importance, such as those supporting the opening of a major offensive. * Ordnance: * Frag Containers: The payload consisted of "containers 40lb Frag.". These were early cluster munitions (likely the American M1 fragmentation bomb clusters). Designed to burst mid-air and scatter small bomblets, they were devastating against soft targets like gun crews in open pits or supply dumps, but useless against hardened bunkers. * Abbreviations: * W/T: Wireless Telegraphy (Radio). * A/C: Aircraft. * Pist.: Pistol (fuse mechanism). * Det: Detonator. * S.I.O.: Squadron Intelligence Officer. 34 Verification: Target File Verification: The document is SQUADRON ROUTINE ORDERS NO. 41/44 dated 11th May, 1944 in the header section. It is labeled APPENDIX "P" (page number 247).