Sources

Less of this article than usual has been pieced together from individual ULTRA signals. For the overall framework of events, I have used the series of daily reports on “German Naval Air Activity” which synthesised ULTRA, Y-Service, PoW and other information. Despite their title, these reports cover just about any flight known to have crossed the coast of occupied Europe. In any event, 1943 ULTRA is largely unfamiliar territory for me, with the more familiar reporting numbering systems only introduced toward the end of the year.

ULTRA naval messages are available online and free of charge from the National Archives and I have made some use of them, but where aviation-related items are concerned one is looking for the proverbial needle in a haystack. A typical file covers three or four days and contains about 1,000 messages, most only a few words long, and perhaps two of them will relate to Kdo. Rastedter. Incidentally, Western Front naval ULTRA for the period has serial numbers in the format ZIP/ZTPG/[five-digit number]. Z or ZIP seems to have been the Admiralty’s term for special intelligence and ZTPG may = ZIP Teleprint Germany. As I found from looking at the wrong files, there are additional series for U-boats (ZIP/ZTPGU), the Mediterranean (ZIP/ZTPGM) the Italian Regia Marina (ZTPGI) and the Russian Front (ZIP/ZTPGR).

The National Archives, Kew, London

ADM 223/7

Papers based on information from Z sources (1944–1945)

AIR 14/3581

192 Squadron, Goldmark Investigation Flights

AIR 14/3597

Air Technical Scientific Intelligence Translation No. 3, Anti-Jamming Procedures for Flak Control Radar

AIR 22/500

Air Ministry W/T Intelligence Service Daily Summaries, nos. 1549–1700 Vol.25 (1 December 1943–30 April 1944)

AIR 22/501

Air Ministry W/T Intelligence Service Daily Summaries, nos. 1701–1825 (1781 & 1812 missing) (May–August 1944)

AIR 23/1260

Naval Radar Jammers Etc.

AIR 27/706

Operations Record Book, No. 85 Squadron (June 1944)

AIR 29/638

ORB 10 OTU (Apr 1940–Dec 1943)

AIR 27/1156/27

No. 192 Squadron Operations Record Book, Summary of Events (August 1943)

AIR 27/1156/28

No. 192 Squadron Operations Record Book, Record of Events (August 1943)

AIR 40/2353

RAF signal intelligence reports on German Air Force activities (1942–45)

AIR 40/2414

Interrogation of German and Italian Prisoners of War, Vol. 19, Reports 283-401D/1943 (July–September 1943)

AIR 40/2415

Interrogation of German and Italian Prisoners of War, Vol. 20, Reports 402-520/1943 (October–December 1943)

AIR 40/2416

A.D.I.(K) Reports Nos. 10 & 38/1944

AIR 40/2417

A.D.I.(K) Reports Nos. 214, 219 & 231/1944

AIR 40/2423

ADI(K) Report No. 380/1945

AIR 50/36

Sortie reports, No. 85 Squadron

DEFE 3/9–13

Main series of reports conveying intelligence to Allied commands based on intercepted radio messages (2–20 December 1943)

DEFE 3/298–299

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (8–16 August 1943)

DEFE 3/337–338

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (3–10 September 1943)

DEFE 3/346–347

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (4–10 October 1943)

DEFE 3/358

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (11–15 November 1943)

DEFE 3/364–365

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (3–10 December 1943)

DEFE 3/367

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (13–16 December 1943)

DEFE 3/373–375

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (1–12 January 1944)

DEFE 3/380–382

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (27 January–4 February 1944)

DEFE 3/386

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (14–18 February 1944)

DEFE 3/391–3

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (29 February–9 March 1944)

DEFE 3/407–408

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (16–23 April 1944)

DEFE 3/719–727

Intelligence from intercepted German, Italian and Japanese radio communications, WWII, teleprinted transcriptions of German U-boat traffic (22 May 1943–13 March 1944)

HW 5/242

Government Code and Cypher School: German Section: Reports of German Army and Air Force High Grade Machine Decrypts (CX/FJ, CX/JQ and CX/MSS Reports) (28 April–2 May 1943

HW 5/338–50

Government Code and Cypher School: German Section: Reports of German Army and Air Force High Grade Machine Decrypts (CX/FJ, CX/JQ and CX/MSS Reports) (7–20 September 1943)

HW 5/358

Government Code and Cypher School: German Section: Reports of German Army and Air Force High Grade Machine Decrypts (CX/FJ, CX/JQ and CX/MSS Reports) (26–27 September 1943)

HW 5/378–593

Government Code and Cypher School: German Section: Reports of German Army and Air Force High Grade Machine Decrypts (CX/FJ, CX/JQ and CX/MSS Reports) (October 1943–August 1944)

HW 13/10

German Radar, activities of LN Versuchs Regiment Köthen (23 December 1943–18 April 1945)

HW 13/26

Intelligence assessments of GAF operations and reactions, including activities of experimental bomber units, EX.SALU/1-EX.SALU/30 (Apr 5 1942–Jan 12 1944)

HW 13/106

Weekly reports on GAF bomber and reconnaissance activity, CX/MSS/SALU/WEST 807–847 (1943 Apr 25–1944 Apr 5)

HW 13/37

German Naval Air Activity, Vol.XI (1 October–31December 1943)

HW 13/38

GNA Vol. XII, OPD 1086–1129 (1 January–31 March 1944)

HW 13/39

GNA Vol. XIII, OPD 1130–1250 (1 April–31 July 1944)

HW 13/40

GNA Vol. XIV (1 August–1 October 1944)

HW 18/102:

German Naval Air Reports (1 January–8 October 1943)

HW 18/103:

German Naval Air Reports (27 October 1943–1 May 1944)

HW 18/104:

German Naval Air Reports (1 May–30 November 1944)

HW 18/196

HW 18/196: False starts by U-boats from Biscay ports (1 May–31 Aug 1943)

HW 19/276

Decrypts from all German Sources referring to German Secret Service, issued by VG at GC&CS for Section V and GC&CS (1 July–21 November 1944)

WO 171/70

SHAEF Air Defense Review, Issue Number Two, 15 September 1944

Imperial War Museum, Lambeth, London

GER/MISC/MCR/18, reels 20–24: General Quartiermeister 6. Abt. records of lost and damaged aircraft (August–December 1943).

Bundesarchiv-Miltärarchiv, Freiburg-im-Breisgau

RL 2-III/57: Aufstellung, Umbildung, Umbenennung und Auflösung.- Sammlung von Verfügungen, Dienstanweisungen, Organisationsplänen und Geschäftsverteilungsplänen, Band 13 (1943)

RL 2 III/58: Generalquartiermeister Band 14 (Jan.–März 1944)

RL 2-III/59: Band 15 (April–Juni 1944)

RL 2-III/60: Band 16 (Juni 1944)

RL 2-III/61: Band 17 (August 1944)

RL 2-III/62: Band 18 (September 1944)

RL 2-V/27: General Nachrichtenführer, Abteilung (Funkufklärung) Kriegstagebuch (unvollständig) (5. Sept. 1944–17. März 1945)

RL 2-V/28: General Nachrichtenführer, Abteilung (Funkaufklärung) Anlagen zum Kriegstagebuch 1–299 (Juni–Nov. 1944)

RL 2-V/172: Die Funkmeßgeräte der Luftwaffe.- Boden- und Bordfunkmeßgeräte (Fotokopie) (1944)

RM 6/159: General der Luftwaffe beim Oberbefehlshaber der Kriegsmarine, KTB, Bd. 39 (1.–31. Aug 1943)

RM 11/58: Marineattachégruppe Italien: Nachrichtenaustausch und Zusammenarbeit, Bd. 4 (11. Feb.–31. Dez. 1942)

USAF Historical Research Agency, Maxwell AFB, AL

Chef NVW 4. Abt. (III): Aktenvermerk über die Dientstreise des Gruppenleiters III in den Bereich der Luftflotte 3 vom. 18.2. – 28.2.44 (dated 11 March 1944)

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