Individual medium level bombing attack on M.T. and fortifications in MARETH -ZARET-ZIGZAOU area.

R.A.F. Form 441 A. "P1" SORTIE REPORT 113 ( Part A. ) NIGHT OPERATION.

Sheet No. 1 Oprep. Ref. No. 209 Date 25/26/2/43 Squadron 21 SAAF Type of Aircraft 10 Baltimores Captain. Capt. Cormack Aircraft No. See Attached list Crew. See attached list Aircraft Letter do. A/C. took off at 3 minutes intervals Time Up 0030 hours (1st. A/C off) Time Down 0415 hours (last a/c down) Aerodrome of L.G. SERTAN Total Time 30.36 hours Type of Cloud Strato Cu. Map or Chart. Amount of Cloud 3/10 Reference Base of Cloud 7000 ft. 1:500,000 FRENCH NORTH AFRICA Visibility 4/5 miles Sheet N. 1. 32. S.E. GABES General Weather. Fair to good Task or Duty. Individual medium level bombing attack on M.T. and fortifications in MARETH -ZARET-ZIGZAOU area. Time Height. Place. Narrative. 0030 SERTAN Airborne 0034 2500 SERTAN S/C . pos RL. 5030 0059 3000 R.5030 S/C pos Q.P. 4638 0117 4000 Pos.QP 4638 S/C Beacon N (TE 6387) 0152 7000 Beacon M. S/C MARETH 0202 5000 TARGET Bombed on course of 210 deg. 0205 5000 TX 7010 S/C Pos. QP4654 0235 4000 Pos. QP 4654 S/C CASTEL BENITO 0302 1500 Pos. RL 5040 S/C HOMS 0335 0340 SERTAN Landed PART B ( on reverse) to be completed according to relevant pro-forma in H.Q. R.A.F. M.E. Instruction 34. P.T.O. PART "B"

BA M.T. and fortification in area bounded by MARETH-ZARET-WADI ZIGZAOU, and GABES main road. BB From 0202 to 0242 hours BC Individual medium level bombing attack 54x250 lbs. G.P. with 6" rods 43 det. BD 5 a/c briefed to bomb area south of MARETH-ZARET road and 5 a/c briefed to bomb North of WADI ZIGZAOU. 9 A/C located the target and dropped their bombs in the target area. 3 a/c bombed on courses from 180 deg. to 238 deg. and 6 a/c on courses from 340 deg. to 059 deg. One a/c with a long stick bombed the WADI ZIGZAOU. No definite results of bombings were observed and no fires seen. . BE 4 H.A.A. guns seen from TZ 5308 Approx. 8 guns H.A.A. seen from top of wadi at TZ 6110 Fairly intense, eihight (sic) accurate, but to starboard of a/c. BF NIL BG NIL BH Steady white light at sea QJ 7433 At YE 5090 Three flares and bomb bursts seen. Oxygen in 3 a/c only. none available for balance of a/c.

1943-02-26

R.A.F. Form 441 A. "P1" SORTIE REPORT 113 ( Part A. ) NIGHT OPERATION. Sheet No. 1 Oprep. Ref. No. 209 Date 25/26/2/43 Squadron 21 SAAF Type of Aircraft 10 Baltimores Captain. Capt. Cormack Aircraft No. …

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Form 541

MAP

Transcriber's Notes

Phase 2: Technical Expansion (The "Transcriber's Notes") Glossary of Terms: * R.A.F. Form 441 A: The standardized Royal Air Force form used to document individual aircraft sorties and mission narratives. * 21 SAAF: No. 21 Squadron of the South African Air Force. * Baltimores: The Martin Baltimore, an American-built twin-engine light attack bomber utilized by the squadron for tactical interdiction. * A/C: Aircraft. * L.G. SERTAN: Landing Ground Sertan, the forward operational base in Tripolitania from which the squadron was operating in late February 1943. * Strato Cu.: Stratocumulus, a type of low-level cloud formation. * M.T.: Mechanical Transport, referring to Axis supply vehicles and motorized convoys. * MARETH -ZARET-ZIGZAOU area: The primary defensive sector of the Mareth Line in southern Tunisia, anchored by the Wadi Zigzaou. * S/C: Set Course. * Beacon N (TE 6387): A navigational radio or visual beacon used to orient aircraft toward the target area. * H.Q. R.A.F. M.E.: Headquarters, Royal Air Force, Middle East. Operational Context: Sortie Report No. 209 documents the third consecutive night of high-intensity nocturnal interdiction conducted by No. 21 Squadron SAAF against the Mareth Line. Strategically, the mission on 25/26 February 1943 was part of the Desert Air Force’s (DAF) "road purification" strategy, designed to systematically sever Axis logistics and reinforcements between the defensive works at Mareth and the supply hub at Gabes. The "Task or Duty" identified—individual medium-level bombing of M.T. and fortifications—directly supported the broader Allied operations by maintaining constant pressure on the Afrika Korps as they consolidated behind the Wadi Zigzaou. The flight path, involving waypoints such as Castel Benito and Homs, illustrates the significant navigational distances required for strikes launched from Tripolitania into the Tunisian theater. The execution of this mission by 10 Martin Baltimores, totaling over 30 operational hours, reflects the successful application of the specialized nocturnal doctrine and "Baltimore Training" formalized by the unit earlier in the month. By operating at 3-minute intervals and bombing from altitudes between 5,000 and 7,000 feet, the squadron minimized the effectiveness of enemy anti-aircraft fire while ensuring continuous coverage of the target area. This archival entry, recorded as Folio 113, documents the unit's finalized tactical alignment immediately prior to the definitive Allied assault on the Tunisian frontier. 138 Phase 1: Verification & Extraction Identity Check: 25/26/2/43. (Note: This document is the reverse side, Part "B," of the Sortie Report initiated on Folio 113). Phase 2: Technical Expansion (The "Transcriber's Notes") Glossary of Terms: * M.T.: Mechanical Transport. Refers to enemy supply vehicles and motorized troop movements vital for sustaining the Mareth Line. * WADI ZIGZAOU: A steep-sided dry riverbed forming the primary natural anti-tank obstacle and the main defensive barrier of the Axis Mareth system in southern Tunisia. * G.P. with 6" rods 43 det.: General Purpose bombs fitted with No. 43 Detonators and 6-inch extended nose fuzes (rods). These "daisy cutters" were designed to trigger the explosion just above ground level to maximize lateral fragmentation against unarmored targets like M.T. and personnel. * a/c / A/C: Aircraft. Specifically referring to the Martin Baltimore Mark III light bombers utilized for this mission. * long stick: A bombing method where bombs are released in a timed sequence to create a linear impact pattern across a target area. * H.A.A.: Heavy Anti-Aircraft fire. * TZ 5308 / TZ 6110 / QJ 7433 / YE 5090: Military grid coordinates utilized for the precise reporting of enemy ground positions, anti-aircraft fire, and observations. Operational Context: This Part "B" report details the tactical results of Sortie No. 209, conducted on the night of 25/26 February 1943. Strategically, this mission represents the third consecutive night of high-intensity nocturnal interdiction by No. 21 Squadron S.A.A.F. against the Mareth Line. The Mediterranean Allied Air Forces (MAAF) were executing a "road purification" strategy to systematically isolate Axis forces by severing logistics between the Mareth defensive works and the supply center at Gabes. The focus on the "MARETH-ZARET-WADI ZIGZAOU" area highlights the tactical importance of this defensive lynchpin. By briefing 5 aircraft for the northern sector and 5 for the southern sector, the squadron ensured a comprehensive distribution of 250 lb G.P. bombs. Notably, 9 of the 10 aircraft successfully located the target despite nocturnal conditions, with one aircraft delivering a "long stick" specifically into the Wadi Zigzaou obstacle. The report highlights the accurate opposition from "Approx. 8 guns H.A.A." positioned at the top of the wadi, indicating the density of Axis defenses in southern Tunisia. Furthermore, the recurring logistical note that oxygen was available for "3 a/c only" underscores the supply constraints faced by the Desert Air Force (D.A.F.) during the advance from Tripolitania. This archival entry documents the unit's sustained role in the attrition of Axis defensive strength immediately prior to the general Allied offensive. 139 Phase 1: Verification & Extraction Identity Check: Night 25/26 February 1943.