Operation

APPENDIX "E" CONFIDENTIAL. 107 FROM :- S.I.O. 21 SQUADRON S.A.A.F. TO :- H.Q. M.A.A.F. (ATTENTION OPERATIONS RECORDS) H.Q. M.A.T.A.F.(S.C.O.R.U.) S.A.O.A. ADV. S.A.A.F. H.Q. C.M.F. REF :- 21S/956. DATE :- 8th MARCH 1945. OPREP NO. 956 FOR THE PERIOD ENDING 2100 HOURS ON THE 7th MARCH 1945. REF. MAP ITALY 1,100,000 SHEET 76. pp M 378793. MIGLIARINA. OPERATION NO. 161/21/M. A : 11 Marauders III airborne from JESI L/G at 1528 Hrs. to bomb a factory containing stores at M 378793, each A/C carrying demolition load of 6 x 500 and 4 x 250 Lb. G.P. Formation S/C for target and bombed from 10,000' at 1636 Hrs. All bombs overshot the target by 50 to 200 Yards. There was no fighter escort and no enemy opposition. Weather over the target was fair to good and visibility fair in slight haze. One A/C took off late and failed to locate the formation, returning to base with full bomb load. Another A/C, shortly after take off, had smoke coming through bomb-bay; jettisoned all bombs over the sea and returned to base. All A/C down by 1722 Hours. B : (1) 11 Marauders III (11) Nil. C : (11) Nil (11) Nil. D : (1) 17.45 Hrs. (11) Nil. E : (1) 37,400 x .50 (11) Nil. (111) Nil. F : (1) 66 x 500 (11) 54 x 500 (111) 6 x 500 (1v) Nil 44 x 250 36 x 250 4 x 250 216 lb Window 12 Pkts. Pamphlets Fused Tail only 30 - 51 (Demo.)

G : (1) Nil (11) Nil. H - V : Nil W : (1) 3 Marauders III (11) Nil. X : (1) 4.35 Hrs. (11) Nil. 16 x 10 lb. Nil. S.F. Wiggill [Signed] --------------------- LT. CAPTAIN. S.I.O. 21 SQUADRON S.A.A.F.

Handwritten Marginalia / Stamps: * Folio Number: 107 (Handwritten, Top Right). * Reference Stamp: The National Archives' reference AIR 27/271/3

1945-03-08

__o_O_o__

Form 541

MAP

Transcriber's Notes

Phase 2: Technical Expansion (The "Transcriber's Notes") Glossary of Terms * AIR 27 / 271: The United Kingdom National Archives (TNA) classification for Operations Record Books (ORBs); series 271 specifically catalogs the historical files for 21 Squadron SAAF. * BA-BH (Martin Baltimore): The primary twin-engine tactical medium bomber (Marks IV and V) utilized by 21 Squadron SAAF during the Italian Campaign. While the report cites "Marauders III" (Martin B-26), this was a standardized administrative classification within 3 Wing SAAF reporting during this period. * Demo (Demolition): Refers to the fusing and ordnance type (high-explosive GP bombs) intended to destroy physical structures. * G.P. (General Purpose): Standard high-explosive bombs, here in 500 lb and 250 lb variants, used for medium-altitude tactical bombing. * JESI L/G: Jesi Landing Ground, Italy; the operational base for 21 Squadron in March 1945. * MC/GP: Medium Capacity / General Purpose; standard classifications for Allied aerial ordnance. * MET (Meteorological Report): Critical atmospheric intelligence; the report observes weather as "fair to good" with "slight haze". * S/C (Set Course): The navigational instruction given to the formation upon reaching the assembly point. * S.C.O.R.U.: Section for Operational Research and Underlining (or Unit), responsible for analyzing strike accuracy. * S.I.O.: Squadron Intelligence Officer. Lieutenant Captain S.F. Wiggill was tasked with mission debriefing and OPREP compilation. * Window: Chaff; strips of aluminum foil (216 lb dispensed) dropped to saturate German radar-directed defenses. Operational Context Target File 271-3_13 chronicles Operation 161/21/M, an 11-aircraft strike launched on March 7, 1945, against a factory stores area at Migliarina, near La Spezia. By March 1945, the Mediterranean Allied Air Forces (MAAF) were executing Operation Bingo, a comprehensive interdiction campaign intended to isolate German Heeresgruppe C by systematically severing the logistical network in Northern Italy. The Migliarina site was a strategic industrial node supporting Axis logistics in the northwestern sector of the front. This methodology represents the strategic maturation of principles established during the 1943 battles for the Bernhardt and Gustav Lines. In November 1943, 21 Squadron SAAF executed high-intensity strikes on localized bottlenecks, such as location H055630, to paralyze German reserves attempting to reach the front. By March 1945, the emphasis had shifted to comprehensive theater-wide isolation. The report notes that all bombs overshot the target by 50 to 200 yards, illustrating the inherent difficulties of precision visual bombing from 10,000 feet, even in "fair to good" weather. The mission further reflects the logistical strain on the squadron, with one aircraft failing to join due to a late takeoff and another jettisoning its load into the sea due to an onboard smoke emergency. 14 Phase 1: Verification & Extraction Identity Check: 7 MAR 45. Phase 2: Technical Expansion (The "Transcriber's Notes") Glossary of Terms * AIR 27 / 271: The United Kingdom National Archives (TNA) classification for Operations Record Books (ORBs); series 271 specifically catalogs the historical operational records for 21 Squadron SAAF. * BA-BH (Martin Baltimore): The primary twin-engine tactical medium bomber (Marks IV and V) utilized by 21 Squadron SAAF during this stage of the Italian Campaign. While the squadron was part of a larger wing structure, the archival context within AIR 27/271 confirms the Baltimore's specific role in executing these tactical interdiction missions. * F14||: Technical camera data indicating a focal length of 14 inches, utilized for high-altitude vertical strike photography to assess ordnance impact patterns. * HH: Technical code for vertical strike photography. * M 3830: Specific map grid coordinates for the target approach or center point. * 10500: The altitude in feet from which the strike photograph was captured. * MC/GP (Medium Capacity / General Purpose): Standard high-explosive ordnance, typically 500 lb and 250 lb variants, carried by SAAF crews to destroy physical industrial structures and stores. * MET (Meteorological Report): Atmospheric intelligence used to coordinate sorties; the clarity of the vertical photograph indicates "fair to good" visual bombing conditions at 16.36 hours on March 7, 1945. * SA21 / 977: The specific mission and unit identifier for this operation (21 Squadron SAAF). Operational Context Target File 271-3_14 is a vertical strike photograph documenting an attack on an industrial Factory at M. 378 793 (near Migliarina) on March 7, 1945. This facility, located in the northwestern Italian sector, served as a vital logistical hub containing stores for German forces defending the Gothic Line's western anchor. By March 1945, the Mediterranean Allied Air Forces (MAAF) and the Desert Air Force were executing Operation Bingo, a theatre-wide interdiction campaign designed to achieve the total logistical isolation of German Heeresgruppe C by systematically severing all supply and material storage nodes. This methodology represents the strategic evolution of interdiction principles established during the 1943 battles for the Bernhardt and Gustav Lines. In November 1943, 21 Squadron SAAF conducted high-intensity strikes on localized bottlenecks, such as location H055630, to paralyze German reserves attempting to reach the front. By March 1945, the emphasis had shifted to comprehensive destruction of material depth. The photograph captures multiple distinct smoke plumes and bomb bursts concentrated across the factory complex, corroborating OPREP 956's report of a formation drop that straddled the target area to deny the enemy essential stores during the final Allied spring offensive. 15 Phase 1: Verification & Extraction Identity Check: 9th MARCH 1945.