The 2nd Box overshot and the results APPENDIX "N"
210
FROM : S.I.O. 21 SQUADRON S.A.A.F.
TO : W.I.O. 3 WING S.A.A.F.
H.Q. M.A.A.F. ( ATTENTION OPERATIONS RECORDS)
H.Q. M.A.T.A.F. ( SCORU)
REF. : 21S/999
DATE : 12th APRIL, 1945
OPREP NO. 999 FOR THE PERIOD ENDING 2100 HRS ON THE 11th APRIL, 1945
REF. MAP ITALY 1:100,000 SHEET 88 - IMOLA.
<u>OPERATION NO. 194/21S/M.</u>
A : 12 Marauders airborne in three boxes from Jesi L/G between
1536 and 1808 hrs. to bomb enemy guns(16) 4 miles north of
XXXX IMOLA. The formation bombed from 12000' at 1652 -
1648 hrs. Bombs from one box ran across the South Eastern
corner of the target. The 2nd Box overshot and the results
of the 3rd box were unobserved. There was moderate, accurate
H.A.A. which holed four A/C and wounded one 2nd Pilot -
was landed at CESENATICO L/G on the way home and taken to
hospital. (wound was in the right hand). Weather was good
but vis. poor in haze. Window was dispensed before and after
target. 48 x 20 lbs. frag bombs hung-up in one A/C and were
jettisoned at sea.
B : (i) 12 Marauders III (ii) Nil
C : (i) & (ii) Nil
D : (i) 28.55 Hrs. (ii) Nil
E : (i) 40,800 x .50 (ii) and (iii) Nil
F : (i) 2304 x 20 lbs. frag. (ii) 2,256 x 20 (iii) 48 x 20 (iv)Nil
432 Lbs. Window
G : Nil
H : 84701 (V) Lt. L. Jandrell - 2nd Pilot.(Copy of Casualty signal
attached for M.A.A.F.)
I to Z : Nil
S.L. Boshoff [handwritten signature]
Capt.
S.I.O. 21 SQUADRON S.A.A.F.
0470
SA 21 / 628 11 APR 45 F8 / HH M 2435 11,500 1643 BG A (62)
APPENDIX "N"
210
FROM : S.I.O. 21 SQUADRON S.A.A.F.
TO : W.I.O. 3 WING S.A.A.F.
H.Q. M.A.A.F. ( ATTENTION OPERATIONS RECORDS)
H.Q. M.A.T.A.F. ( SCORU)
REF. : 21S/999
DATE : 12th APRIL, 1945
OPREP NO. 999 FOR THE PERIOD ENDING 2100 HRS ON THE 11th APRIL, 1945
REF. MAP ITALY 1:100,000 SHEET 88 - IMOLA.
<u>OPERATION NO. 194/21S/M.</u>
A : 12 Marauders airborne in three boxes from Jesi L/G betwee…
__o_O_o__
Form 541 Transcriber's Notes Phase 2: Technical Expansion (The "Transcriber's Notes")
Glossary of Terms
* 21 SQUADRON S.A.A.F.: No. 21 Squadron of the South African Air Force, a medium bomber unit operating within the Desert Air Force (DAF).
* 3 WING S.A.A.F.: No. 3 Wing SAAF, the higher administrative and tactical formation overseeing 21 Squadron's Martin Marauder operations during the spring 1945 offensive.
* AIR 27/271/4: The United Kingdom National Archives classification for Air Ministry: Operations Record Books (ORBs); Volume 4 contains the 1945 War Diaries and Appendices for 21 Squadron.
* BA-BH (Martin Baltimore): The twin-engine medium bomber utilized as the predecessor aircraft to the unit's current equipment. By April 1945, the unit was fully converted to the Martin B-26 Marauder III.
* FRAG BOMBS (Fragmentation): Small anti-personnel and anti-material munitions designed to produce maximum shrapnel effects against "soft" targets such as troop concentrations and unarmored vehicles.
* H.A.A.: Heavy Anti-Aircraft fire.
* JESI L/G: Jesi Landing Ground, the primary operational base for 21 Squadron during the terminal stages of the Italian Campaign.
* MC/GP (Medium Capacity / General Purpose): Standard Allied high-explosive ordnance classifications. For this tactical support mission, fragmentation clusters (2,304 x 20 lbs) were prioritized over GP demolition bombs to maximize effect against gun crews and soft-skinned vehicles.
* MET (Meteorological Report): Meteorological intelligence. Conditions for this afternoon sortie were reported as "good" but with "poor" visibility due to haze.
* OPREP NO. 999: Operational Report number 999, documenting combat activity for the period ending 2100 hrs on 11th April 1945.
* SCORU: South African Operations Records Unit.
* S.I.O.: Squadron Intelligence Officer, Capt. S.L. Boshoff.
* WINDOW: Metallic foil strips (chaff) dropped to confuse and saturate enemy radar-directed anti-aircraft fire; 432 lbs were utilized during this mission.
Operational Context
Target File 271-4_36 documents Operation No. 194/21S/M, a tactical saturation strike executed on the afternoon of 11th April 1945. This mission took place during the initial breakthrough phase of Operation Grapeshot, the final Allied spring offensive in Italy.
The strategic objective was the suppression of a battery consisting of 16 enemy guns located four miles north of Imola (Map Ref: Sheet 88 - IMOLA). This sector was of critical importance as it sat on the flank of the Eighth Army’s main thrust toward the Argenta Gap. By deploying saturation levels of fragmentation bombs, the Mediterranean Allied Air Forces (MAAF) sought to neutralize the defensive artillery of the German 10th Army (10. Armee) that was impeding ground progression across the Santerno River.
The 12 Marauder III aircraft achieved mixed results, with poor visibility in haze contributing to an overshoot by the second box and unobserved results from the third. The formation encountered "moderate, accurate" heavy anti-aircraft fire which holed four aircraft. Notably, Lt. L. Jandrell, the second pilot, sustained a hand wound, necessitating an emergency landing at Cesenatico L/G. Despite the damage and casualty, the mission maintained the terminal air pressure required to degrade Axis tactical reserves and facilitate the Eighth Army's breakthrough into the Po Valley.
37
Phase 1: Verification & Extraction
Identity Check: 11 APR 45.
Phase 2: Technical Expansion (The "Transcriber's Notes")
Glossary of Terms
* 21 S.A.A.F. / SA 21: No. 21 Squadron, South African Air Force, a medium bomber unit operating under No. 3 Wing SAAF.
* AIR 27 / 271 / 4: United Kingdom National Archives classification for the Air Ministry: Operations Record Books (ORBs); Volume 4 (AIR 27/271/4) catalogs the 1945 War Diaries and associated appendices for 21 Squadron.
* BG A (62): Box Green, Alpha. This technical suffix denotes the specific aircraft's position within the "Green" sub-formation and indicates this is the 62nd frame in the film sequence.
* BA-BH (Martin Baltimore): The twin-engine medium bomber utilized by the unit prior to their conversion to the Martin B-26 Marauder III in late 1943.
* F8: Focal length of the camera lens (8 inches) utilized for high-altitude vertical strike photography.
* HH M 2435: Map reference M. 2435 (specifically pp. M. 226317), identifying the coordinates for a battery of 16 enemy guns located four miles north of Imola on the Imola 1:100,000 Sheet 88.
* MC/GP (Medium Capacity / General Purpose): Standard Allied high-explosive ordnance classifications. For this tactical support mission, the unit prioritized 20 lb Fragmentation (Frag) bombs (totaling 2,304 projectiles) to maximize effective coverage against anti-aircraft batteries and personnel.
* MET (Meteorological Report): Meteorological intelligence. Conditions for this afternoon sortie were characterized as "good" weather, though visibility was significantly restricted by haze, as evidenced by the atmospheric occlusion in this frame.
* 11,500 1643: Operational data indicating a bombing altitude of 11,500 feet and a strike time of 16:43 hours (recorded as between 1648–1652 hrs in narrative summaries).
Operational Context
Target File 271-4_37 is a vertical aerial strike photograph documenting Operation No. 194/21S/M on 11th April 1945. The image captures the kinetic results as 12 Martin Marauder III aircraft targeted a German battery consisting of 16 enemy guns four miles north of Imola.
This mission was a critical tactical suppression operation during the initial breakthrough phase of Operation Grapeshot, the final Allied spring offensive in Italy. The target area was situated on the flank of the Eighth Army’s main thrust toward the Argenta Gap, where the German 10th Army (10. Armee) maintained heavy artillery concentrations to contest Allied movements across the Santerno River. The deployment of high-density fragmentation munitions was intended to neutralize gun crews and soft-skinned logistical support.
The photograph illustrates the significant execution constraints posed by poor visibility in haze, which narrative OPREPs noted as a primary factor in the unobserved results for some boxes. The smoke plumes from the 20 lb fragmentation bombs are partially visible through the atmospheric haze, impacting the agricultural landscape north of the city. Despite encountering "moderate, accurate" heavy anti-aircraft fire that wounded a second pilot and damaged four airframes, the mission successfully maintained the air pressure required to degrade Axis tactical reserves and facilitate the Eighth Army's breakthrough into the Po Valley.
38
Phase 1: Verification & Extraction
Identity Check: 12th APRIL, 1945.