Operation

21 SQUADRON 1st RAID 19th MARCH, 1945 RAID ON GEMONA M/Yards ppC 326435 OPREP NO. 969 T/Off 0907 OPERATION 171/21S/M. 561 B : Maj. Musgrove Goble Hatswell Jones Rabie Cook 545 K : F/O Hanna Quaife Dickenson Oldfield vd Berg Ras 572 J : Lt. Stuart Williams Owen Hughes Fraser Howden du Plessis 513 Hv: Lt. Reyneke Cordell Harle Hennesey Tennant Cleete 575 P : Capt. Brunette McDonald R Masters Heaven Roelofse Betteley 537 YY : Lt. Ackermann Parsonson Steenkamp Steyn Malan Goodwin 583 V : Lt. Becke Meyer Johnstone Gidlow Heale McCausland 471 R : Lt. Quail Louwrens Kros Douglas Wilson Solomon 539 T : P/O Markham Long Naude Goodwin McHugh Dodson TIMES:- A/C; B, K, J, Hv, V. . . . . 3.15 Hrs. P, YY, R, T. . . . . . . . . . 3.05 Hrs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Handwritten Marginalia / Stamps: * Folio Number: 168 (Handwritten, Top Right). * Marginalia: A handwritten mark resembling a check or an "X" appears next to the heading "21 SQUADRON 1st RAID". * Reference Stamp:

1945-03-19

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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 Air Ministry: Operations Record Books (ORBs). Series 271 specifically contains the records for 21 Squadron SAAF. * BA-BH (Martin Baltimore): The primary twin-engine tactical medium bomber (Marks IV and V) operated by 21 Squadron SAAF during the Italian Campaign. Though not explicitly stated on the crew list, the aircraft letters (B, K, J, Hv, etc.) and numbers (561, 545, 572, etc.) refer to the unit's Baltimore airframes. * M/Yards (Marshalling Yards): Extensive railway hubs used for sorting rolling stock, a primary target for interdiction. * MC/GP (Medium Capacity / General Purpose): Standard high-explosive ordnance (typically 250lb or 500lb) carried by Baltimore crews for the destruction of rail infrastructure. * MET (Meteorological Report): Essential flight intelligence for crews navigating trans-Apennine and Alpine flight paths. * OPREP: Operational Report. OPREP No. 969 refers to the formal mission summary for Operation 171/21S/M. * T/Off (Take-off): Recorded as 0907 hours for this mission. Operational Context Target File 271-3_118 documents a nine-aircraft formation strike on March 19, 1945, directed against the Gemona Marshalling Yards (coordinates ppC 326435). Located in the Friuli-Venezia Giulia region, Gemona was a vital junction on the Pontebbana railway, the primary link between the Northern Italian plains and the Austrian border. The strategic emphasis on Gemona was a core component of Operation Bingo, the Allied air offensive designed to isolate German Heeresgruppe C by severing all supply routes through the Alpine passes. This methodology evolved from the tactical principles established earlier in the campaign. In November 1943, 21 Squadron SAAF conducted high-intensity strikes on bottlenecks like location H055630 to maintain pressure on the Bernhardt and Gustav Lines and prevent reserves from reaching the front. By March 1945, the focus had transitioned to causing total logistical paralysis in the enemy's rear. The mission was led by Major Musgrove in aircraft 561 B. The recorded mission times varied slightly, with the first five aircraft (B, K, J, Hv, V) logging 3 hours and 15 minutes, while the remaining four (P, YY, R, T) recorded 3 hours and 5 minutes, likely due to variations in formation re-assembly or landing sequences. This raid took place as Allied air fleets maintained crushing pressure on German transport, while "Nickel" propaganda sorties informed isolated Axis troops of the ongoing disintegration of the Reich’s domestic defenses. 119 Phase 1: Verification & Extraction Identity Check: 19th MARCH 1945