Last a/c down by 1645 Hrs. NO fighter

APPENDIX "A" 231 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/651 DATE : 1st May 1944 OPREP No.651 for the period ending 2100 Hrs on 1/5/44 REF MAP ITALY 1:100,000 Sheet 146 & 147 12 Baltimores airborne from BIFERNO at 1435 Hrs to attack a FACTORY at POPOLI (N.W. of POPOLI). After R/V with 12 Baltimores of 223 Sqdn over base formation set course at 1455 Hrs and the two boxes bombed line astern at 1535 Hrs from 13500' on a course of 360°. Pattern of first box commenced in centre of target among main cluster of buildings. Second box marked and continued across river with few near misses on two bridges. All bombs of one a/c hung-up - jettisoned safe in sea at J0780. About 5 puffs H/A inaccurate from N.W. of target. Last a/c down by 1645 Hrs. NO fighter escort or area cover. Weather enroute 4/10 - 9/10 at 15000'. Target area clear and visibility good. B: (i) 9 Balts 1V. (ii) NIL (i) 6 Balts V (ii) NIL C: NIL D: (i) 13.00 Hrs (ii) NIL (i) 13.00 Hrs (ii) NIL E: (i) 19200 x .30 1800 x .303 4200 x .50 (ii) & (iii) NIL (i) 19200 x .30 1800 x .303 4200 x .50 (ii) & (iii) NIL F: (i) 12 x 500 MC 18 x 250 GP (ii) as above (iii) & (iv) NIL (i) 12 x 500 MC 18 x 250 GP (ii) 10 x 500 MC 15 x 250 GP (iii) 2 x 500 MC 3 x 250 GP (iv) NIL (FUSES: 36 Bombs 49 Det. 27 Pist NOSE: 49 Det, 28 Pist TAIL 12 Bombs 6 & 12 Hours Delay. 52 Det 37 Pist TAIL. G to Z: NIL S.L. Boshoff Lt for Capt. SIO 21 Squadron, S.A.A.F.

1944-05-01

__o_O_o__

Form 541

MAP

Transcriber's Notes

Transcriber's Historical & Tactical Notes: * Target Analysis (Popoli Chemical Works): * Strategic Importance: The target, identified as a "FACTORY at POPOLI (N.W. of POPOLI)", refers to the massive Montecatini industrial complex. This facility produced synthetic ammonia and explosives, making it a critical node in the German supply chain for the Italian theater. Its location in the Pescara valley made it accessible to medium bombers from the Foggia/Campomarino area. * River Crossing: The report mentions the bombing pattern "continued across river with few near misses on two bridges". The factory was situated right on the banks of the Aterno-Pescara River. Hitting the bridges was likely a secondary bonus, severing the transport links that moved the factory's dangerous products. * Tactical Execution: * Formation Flying ("Boxes"): The attack was coordinated with "12 Baltimores of 223 Sqdn" (an RAF squadron often paired with the SAAF). They attacked in "two boxes... line astern". A "box" was a tight defensive formation of 6 to 12 aircraft. attacking "line astern" meant 21 Squadron dropped first, followed immediately by 223 Squadron, ensuring a continuous stream of high explosives to saturate the defenses and the target area. * Malfunction ("Hung-up"): One aircraft suffered a mechanical failure where the bombs failed to release over the target ("All bombs of one a/c hung-up"). The standard safety procedure was executed: "jettisoned safe in sea at J0780". Landing with live ordnance, especially if fuses were armed or unstable, was strictly forbidden due to the risk of blowing up the runway. * Ordnance and Fusing: * Time Delay: The payload included "12 Bombs 6 & 12 Hours Delay". These bombs were designed to bury themselves in the rubble and explode hours after the raid, killing repair crews and firefighters, and psychologically disrupting recovery efforts. * Heavy Flak (H/A): The report notes "About 5 puffs H/A inaccurate". "H/A" stands for Heavy Anti-Aircraft fire (typically 88mm). The German defenses at Popoli were surprisingly light on this day, likely due to the surprise of the attack route or the shifting of flak batteries to the front lines. * Abbreviations: * R/V: Rendezvous. * H/A: Heavy Anti-Aircraft (Flak). * MC: Medium Capacity (High Explosive bomb). * GP: General Purpose (bomb). * Det: Detonator. * Pist: Pistol (firing mechanism of the fuse). * 1V / V: Mark IV / Mark V (Baltimore aircraft variants). 19 Verification: Target File Verification: The document is dated 2nd May 1944 in the "DATE" field. It is a Sortie Report (No. 652) labeled APPENDIX "B", detailing the mission flown on May 2nd, 1944.