Operation R. Form 1924 POSTAGRAM. Originator's Reference Number: — To: Date: — 163 "R1" From:
Flash
16.30 - Signal received from Battle Headquarters:
" Last visit caused four blow ups and revealed 5x88 mm
at y 5413 and 2x88 mm at y 5408 - Many thanks.
Raid led by Capt. J.A. Mouton
12 A/C. 21 squadron
6 A/C. Bostons from 12 ?
Originator's Time of nature Origin
R. Form 1924 POSTAGRAM. Originator's Reference Number: — To: Date: — 163 "R1" From:
Flash
16.30 - Signal received from Battle Headquarters:
" Last visit caused four blow ups and revealed 5x88 mm
at y 5413 and 2x88 mm at y 5408 - Many thanks.
Raid led by Capt. J.A. Mouton
12 A/C. 21 squadron
6 A/C…
__o_O_o__
Form 541 Transcriber's Notes Phase 2: Technical Expansion (The "Transcriber's Notes")
Glossary of Terms:
* Flash: A high-priority operational precedence category for signal traffic, reserved for messages of urgent tactical importance.
* Battle Headquarters: The forward tactical command center of the British Eighth Army, responsible for coordinating ground-to-air cooperation and providing target assessment to the Desert Air Force (D.A.F.).
* four blow ups: A tactical term indicating the catastrophic destruction of secondary targets, such as ammunition limbers, fuel caches, or vehicles, resulting from the primary bombing strike.
* 5x88 mm / 2x88 mm: Refers to the German 8.8 cm FlaK 18/36/37 multi-purpose artillery pieces, pinpointed by their muzzle flashes or the removal of camouflage during the Allied raid.
* y 5413 / y 5408: Military grid coordinates utilized by Battle Headquarters to pinpoint the newly revealed Axis gun positions for subsequent interdiction.
* Capt. J.A. Mouton: Captain J.A. Mouton, a senior pilot of No. 21 Squadron S.A.A.F., who led the late afternoon strike.
* 12 A/C. 21 squadron: 12 Aircraft from No. 21 Squadron, South African Air Force.
* 6 A/C. Bostons from 12 ?: 6 Aircraft, specifically Douglas Bostons (A-20), from No. 12 Squadron S.A.A.F. (the question mark in the text indicates a request for verification of the supporting unit).
Operational Context:
This postagram, recorded as Folio 163, provides high-fidelity feedback from the Eighth Army regarding the effectiveness of the daylight strikes conducted on 23 March 1943. Strategically, this period represents the height of Operation Pugilist, the Allied offensive to breach the Mareth Line in southern Tunisia. The Mediterranean Allied Air Forces (MAAF) directed these medium-level raids to suppress Axis heavy artillery that was currently contesting the British bridgehead at the Wadi Zigzaou.
The "Flash" signal confirms that the raid led by Capt. Mouton achieved significant tactical success by triggering four secondary explosions ("blow ups") and, crucially, forcing Axis 88 mm batteries at coordinates y 5413 and y 5408 to reveal their hidden locations. These 88 mm guns were the primary threat to both Allied armor and the light bomber formations (Baltimores and Bostons) operating from Landing Ground (L.G.) Zuara.
The direct acknowledgement from Battle Headquarters—"Many thanks"—underscores the critical reliance ground commanders placed on S.A.A.F. light bomber units to provide immediate tactical attrition of Axis anti-tank and anti-aircraft assets during the breakthrough phase of the Tunisian Campaign.
197
Phase 1: Verification & Extraction
Identity Check: 23 MAR 43.
