War Patrol

7 April1943 to 1 September 1943

Kapitänleutnant Friedrich Markworth

(Oberleutnant zur See Paul Frerks took over command on 7 August 1943 and brought U-66 home after Markworth was wounded during an attack by aircraft from USS Card)

Key and notes to translated message forms

With great appreciation to cryptology historian/researcher Mr. Ralph Erskine

 

Date of message US Navy Security Classification (unknown)   German date/time of transmission/serial # (Serial # was allocated when signal was being sent by shore station.  A different serial # was given for each radio circuit (eg. Series 1 or 4, etc)) Group count (number of four letter cipher groups in original German signal) Cipher indicator group showing which cipher was being used ( eg. Triton (Shark) or Bertok) and the group for obtaining message setting (starting position of rotor for that message) Allied name assigned to U-boat radio circuit   Series’ 1, 2 3, etc. were allied designations for various U-boat radio circuits. The circuits included the Ubootsküstenschaltung (for the Bay of Biscay and the northern approaches to the North Atlantic ), Irland (for U-boats in the north and middle Atlantic ), Amerika (for those in the north western Atlantic, central Atlantic and South American coast), Afrika (for the Indian Ocean ), and Diana and Hubertus.  From time to time they were expanded and renamed (eg. Amerika I and II ).
From:     To:
Message text   Text within ((        )) are US Navy translator's notes   Offizier ( ) was a form of doubly-enciphered Enigma. Additional plugboard settings were used, which were generally valid for 10 days in a given month.   Disguised Naval grid square reference, disguised using ‘Adressbuch’ (later captured from U 505)
US Time of intercept (GMT) Frequency US time and date of decrypt at Op-20-G

 

	5 MAY 1943 HUSH SECRET       1211/5/122 109 PMIW  STMV SERIES 1
	FROM: COMSUBS   TO: ALL SUBS ON SERIES 1
	1.  AS TEMPORARY ATTACK AREAS: LANGE ((418)), SQUARE EQ 85 ((PROBABLY AK 35= 58.40N - 2910W 'B')). CURIO, SQUARE EQ 84  ((PROBABLY AK34 = 59.35N - 2725W 'B')) FERRO, SQUARE EQ 81 ((PROBABLY AK 31 = 60.25N - 2910W 'B')) KUNTZE ((227)), SQUARE XI 38 ((PROBABLY AD 88 = 61.20N - 27.40W 'B'))   2.  SCHRAMM ((109)) WALKERLING ((91)) POSER ((202)) GRAEF ((664)) MARKWORTH ((66)) WOLF ((465)) WINTERMEYER ((190)) ARE TO OCCUPY AT ECONOMICAL CRUISING SPEED PATROL LINE FROM JN 8238 ((PROBABLY BD 3238 = 50.45N - 27.15W)) TO QI 6843 ((PROBABLY BE 1843 = 48.51N - 23.05W)).  IT IS INTENDED THAT THEY WILL LATER PROCEED NORTH AND JOIN SUBS IN PAREN 1 TO FORM PATROL LINE.
	TOI 1145Z 11068 KCS 0131/11

 

	6 MAY 1943 HUSH SECRET RP V     0833/6/81 19 OGWV GADB SERIES 0
	FROM: COMSUBS   TO: ALL SUBS ON SERIES 0
	HUNGERHAUSEN, MARKWORTH ((66), AND WOLF ((485)) SEND PASSAGE REPORT IMMEDIATELY.
	TOI 1222Z 15.66 KCS 0721/10

 

	7 MAY 1943 HUSH SECRET GP JLN     0408/7/1 45 VHFF  RCNL ( SERIES 0 )
	FROM: MARKWORTH ((66))
	1.  STARBOARD DIESEL IRON-TIE CYLINDER NO 78 BROKEN.   2.  COMPLETED REPAIRS OF CRANK-WEB AND ((CRANKSHAFT)) BEARING TONIGHT.   3.  WHAT IS PERMISSIBLE LOAD?   4.  BE SQ ((46.05N - 16.45W 'B')).   D/F NO FIX APP-1        CASE 7/2/11  X
	TOI 1550Z 15.66 KCS 2208/9

 

	7 MAY 1943 HUSH SECRET ML EJC     1117/7/187 56 ROYO  WJNO ( SERIES 1 )
	FROM: COMSUBS   TO: ALL SUBS ON SERIES 1
	CONTRARY TO PRESENT ORDERS, NEW HEADING FOR LANGE ((        )), CURIO, FERRO, KOCH ((382)), SCHRAMM ((109)), POSER ((202)), GRAEF ((        )), WOLF ((465)), HUNGERSHAUSEN, WINTERMEYER ((190)), HOPMANN ((405)), MARKWORTH ((66)) AND KUNTZE ((227)) IS VD 80 ((AJ 30 = 57.45N - 40.00 W 'B')).  NO REPORT ON ARRIVAL.
	0951Z 11068 KCS 1110/9

 

	7 MAY 1943 HUSH SECRET ML EJC     1233/7/190 24 CKTZ TFFH ( SERIES 1 )
	RUN THE DIESEL WITH THE BROKEN IRON TIE ONLY UP TO HALF SPEED.  AVOID ROUGH AREAS.   *SCHWINGUNGSGEBIETE
	TOI 1049Z 11068 KCS 0426/22

 

	13 MAY 1943 HUSH SECRET ML EJC     1837/13/861 50 IUPY LMGE ( SERIES 8)
	1)  MARKWORTH ((66)), U-129 ((BG)) ((WITT)), CHRISTOPHERSEN ((228)) REPORT WEATHER.   2)  HOPMANN ((405)), PURKHOLD ((260)) TURN ON COASTAL CIRCUIT ON 14 MAY AT 0800B.   3)  ACHILLES ((161)) REPORT SITUATION.   4)  BARGESTEN ((521)) SEND PASSAGE REPORT.
	TOI 1719Z 12950 KCS 2140/14

 

	15 MAY 1943 HUSH SECRET DF JLN     0120/15/136/768/888        42 DIUP  YOAF ( SERIES 1, 7, & 8 )
	1.  WAECHTER ((223)), FORERSTER ((359)), TINSCHERT ((267)), DAHLHAUS ((694)) TURN ON COASTAL CIRCUIT MAY 15.  1000B, WINTERMEYER ((190)), MARKWORTH ((66)) ON AMERICA 2.   2.  MARKWORTH REPORT WEATHER.
	TOI 2342 4070 KCS 0308/17

 

	16 MAY 1943 HUSH SECRET GP JLN     1554/16/287 31 KAKU  VWMG ( SERIES 2 )
	GROUP DONAU 1 AND 2, ENTIRE GROUP 'ILLER', WITT ((129)) AND MARKWORTH ((66)) TURN ON HUBERTUS ON 17 MAY, 0000B.
	TOI 1729 Z 10510 KCS 0559/22

 

	16 MAY 1943 HUSH SECRET ML EJC     2168/16/303   PXQX  FZOC ( SERIES 3 )
	1.  BARGSTEN ((521)), MARKWORTH ((66)), WINTERMEYER ((190)), HEAD FOR SQUARE GF 37. ((PRESUMABLY CA 87 35.15N - 74.30W 'B' OFF CAPE HATTERAS)) SEE SERIAL NUMBER 33 OR 189, AS THE CASE MAY BE   2.  FRANKE ((262)) REPORT RESULT AS SOON AS POSSIBLE.
	TOI 1930Z 9968 KCS

 

	17 MAY 1943 HUSH SECRET GP JLN     1923/17/188/331/210/24/463/715/832      83        OVIX  YBFS ( SERIES 0, 1, 2, 3, 4, 7, 8 )
	1.  DIERKSEN ((176)) REPORT SITUATION TONIGHT.  U-182 ((CLAUSEN 1 (NIXO)) REPORT POSITION.   2.  BY 0500B MARKWORTH ((66)) AND AUFFERMANN ((514)) SEND SHORT WEATHER, KREMSER ((393)) SEND RADIO SONDE.   3.  CIRCUITS BEGINNING 18 MAY, 0800B ARE: AMERICA-2 FOR KAMECKE ((119)) AND SCHNEEWIND ((511)), COASTAL FOR KREMSER, STRAETER ((614)), DEECKE ((584)), AUFFERMANN; IRELAND FOR PRESSELL ((951)), MARBACH ((953)), ZIEHM ((232)), ROSSMANN ((273)), WULFF ((646)).
	TOI  1825Z 13565 KCS 0600/21

 

	19 MAY 1943 HUSH SECRET EP V     0947/19/346 48 OKQX  QKVG ( SERIES 3 )
	1.  BARGSTEN ((521)) AND UHLIG ((527)) TURN ON HUBERTUS IMMEDIATELY AS RADIO RELAYS FOR SUBS IN NORTH ATLANTIC.   2.  WINTERMEIER ((190)), KAMECKE ((119)) AND ACHILLIES ((161)) AT 1600B TURN ON AMERICA 1.
	TOI 1028Z 13565 KCS 1655/19

 

	5 JUNE 1943 HUSH SECRET GP JLN     1855/5/345 50 ZOAZ YVCL ( SERIES 3 )
	BARGSTEN ((521)), MARKWORTH ((66)), WINTERMEYER ((190)) AND UHLIG ((527)) REPORT SITUATION OR POSITION AS SOON AS YOU HAVE BEEN OBSERVED.  WE HAVE SUB SIGHTING REPORTS FROM NAV SQ DM 26 ((25.21N - 79.45W 'B')).  ATTENTION IS CALLED TO COMMANDER'S HANDBOOK PAR 354.
	TOI 1731 Z 14540 KCS 0140/22

 

	12 JUNE 1943 HUSH SECRET ML JPC     1758/12/344 22 XYIE  BPOR ( SERIES 3 )
	KIETZ ((126)), NISSEN ((105)), MARKWORTH ((66))   REPORT SITUATION OR, IF NO INFORMATION, POSITION.
	TOI 1630Z 14540 KCS 1035/14

 

	15 JUNE 1943 HUSH SECRET EP JLN     1916/15/184/287/372/747 92        ZORE  BHVG ( SERIES 1, 2, 3, 7 )
	1.  UPHOFF ((84)), CARLSEN ((732)), TROTHA ((306)) HEAD FOR SQ VL 7895 ((NO INFO)).   2.  KAMECKE ((119)), OELRICH ((92)) TURN ON IRELAND CIRCUIT ON 16 JUNE, 0800B.   3.  SCHREINER ((        )), SCHROETELER ((667)), BARLEBEN ((        )) REPORT SHORT WEATHER BY 0600B.   4.  BARGSTEN ((521)), MARKWORTH ((66)) REPORT SITUATION OR POSITION IN CASE YOU HAVE BEEN OBSERVED.  SEVERAL SIGHTING REPORTS FROM YOUR OPERATION AREA HAVE COME IN.   5.  JOHANNSEN ((569)) REPORT POSITION.
	TOI  1859 Z 10310 KCS 1215/22

 

	16 JUNE 1943 HUSH SECRET EP V     0303/16/376 66 DGTN LURU ( SERIES 3)
	FROM: MARKWORTH ((66))
	1)  ON 23 MAY CHASED A FREIGHTER AS FAR AS DE 81 ((29.00N - 51.40W 'B')) COURSE 120, SPEED 16.   2)  ON 9 JUNE, MISSED ON 2 LARGE TANKERS, ON 10TH, SANK NEWLY CONSTRUCTED TANKER WITH MAGNETIC FUSE.  SINCE THEN NOTHING.  ALL ON CRUISE ABOUT 020, SPEED ((ABOUT)) 15.  AIR PROTECTION DB 6289 ((31.15N - 79.10W 'B'))                            (CONTINUED IN 404/16/377/70)   PAGE 1 OF 2 PAGES.

 

	PAGE 2 16 JUNE 1943 HUSH SECRET EP V     0303/16/376 66 DGTN LURU ( SERIES 3 )
	D/F 31.30N  77.40W  (L 16)        CASE 16/7/01 TOI:  0207Z        6792 KCS   31.45N  77.40W  (L 21)        CASE 16/7/02 TOI:  0225Z        6782 KCS   33.30N  77.00W  (V 24)        CASE 16/7/05   NO FIX                                  CASE 16/7/07 TOI:  0344Z        6792 KCS
	TOI 0519Z 9037 KCS 0830/22

 

	16 JUNE 1943 HUSH SECRET EP V     0404/16/377/70 60 KGZL  MCPC ( SERIES 0 & 3 )
	CONTINUATION OF 303/16/376   3.  CONSTANT AIR-PATROL, AIR-SHIP ((? I.E. BLIMP)), FLYING BOAT, FIGHTER-BOMBER, ALONG THE 200 METER LINE.  RADAR SO FAR ONLY AT NIGHT ACROSS DB 30 ((33.30N - 79.20W 'C')).   4.  10 PLUS 8 ((TORPEDOES)), 130 CBM;  HIGH PRESSURE WEATHER WITH THUNDERSTORMS:  AM GOING TO EAST FOR PERIOD OF FULL MOON.*   D/F 29.30N  77.35W (U1-15)        CASE 16/14/03   32.45N  77.00W  (U1-24) TOI:  0355Z        6792 KCS
	TOI 0401Z 6792 KCS 0845/22
	*TEXT "FUER MEND" ASSUMED TO BE GARBLE FOR "MOND"

 

	25 JUNE 1943 HUSH SECRET ML V     1201/25/314 20 ZUVK  EDKO ( SERIES 3 )
	1)  WINTERMEIER ((190)) AND MARKWORTH ((66)): FREE MANEUVER IN ENTIRE COASTAL AREA.   2)  BARGESTEN ((        )) REPORT POSITION.
	TOI 1026Z 14540 KCS 1415/3

 

Note:  July decrypts were late (21 days’ delay for the message immediately below for example), mainly because new rotors (gamma and thin reflector C) were introduced on 1 July 1943, whose wiring had to be found by Bletchley Park.

 

	3 JULY 1943 TOP SECRET ULTRA EM  H     2128/3/322 22 ZFYJ  UVBR ( SERIES 3 )
	TO: MARKWORTH ((66))
	REPORT SITUATION OR POSITION.
	0650/24 APR '44

 

	4 JULY 1943 TOP SECRET ULTRA MC  JLN     0437/4/331 75 OLZO  OXKF ( SERIES 3 )
	"SANK TANKER IN DB 62 ((31.39N - 79.18W 'B')), SPEED 15, COURSE 020. A/C AS BEFORE, SLIGHT SURFACE PATROL. 4 PLUS 8, 88 CBM, FOOD FOR 20 DAYS AM I TO BE PROVISIONED?   MISSING SERIAL NOS:  99/24; 48, 49, 56, 79, 90. DC-50 ((30.45N - 72.06W 'C'))."
	1123/24  APR '44

 

	- - CORRECTED COPY - -         4 JULY 1943 TOP SECRET ULTRA MC JLN         0829/4/332 62 JNOU  IFNO ( SERIES 3 )
	TO: MARKWORTH ((66))
	REPEAT ((OF 1143/28/6/1943.  PREV TRANSLATED.))
	EJC          1920/24/4/44 RP

 

	- - CORRECTED COPY - -         4 JULY 1943 TOP SECRET ULTRA MC  JLN         0847/4/333 132 TSBX  XBAY ( SERIES 3 )
	CONTINUATION OF SER NO 346 FOR MARKWORTH ((66)). ((PREVIOUSLY TRANSLATED IN 1245/27/6/1943.  HOWEVER, AT END OF PARA 2 THIS MESSAGE ADDS:  'FREQUENCY CHANGE DAILY AT 0830B'.  PARA 3 READS:  'KEYING OF NAVAL COMMUNICATIONS OFFICER BERNAU L B A 1.))
	EJC          1810/24  RP

 

	4 JULY 1943 TOP SECRET ULTRA MC  JLN     1110/4/334 136 TVRY DEOC ( SERIES 3 )
	TO: MARKWORTH ((66))
	CONTINUATION OF SER NO 333.  ((REPEATED FOR MARKWORTH.  CONTENTS PREVIOUSLY TRANSLATED IN 1327/27/6/1944)).
	1100/24 APR '44

 

	4 JULY 1943 TOP SECRET ULTRA MC  H     1400/4/151/339/732 103        OENJ  OHBJ SERIES 1, 3, 7
	1)  BORM ((592)) MAKE SUGGESTION, AS ORDERED, FOR R/V.   2)  MARKWORTH ((66)):  REPORTED PROVISION SUPPLY OF 20 DAYS APPEARS VERY SMALL.  IN CASE YOU CAN CONTINUE OPERATING IN PRESENT ATTACK AREA FOR ANOTHER 10-14 DAYS, REFUELING AND PROVISIOING PLANNED IN 60 OF LARGE SQ WEST OF DISGUISED SQ GP ((POSSIBLY CE; CD 60:  38.51N - 37.18W 'C')).  IN CASE NEGATIVE, RETURN WHEN PROVISIONS NECESSITATE ANAD YOU WILL RECEIVE MORE PROVISIONS APPROXIMATELY IN HEADING NAMED.  REPORT AGAIN.
	0852/24  APR.

 

	6 JULY 1943 HUSH SECRET EP  H     0528/6/367 76 YBVD  YNKR SERIES 3
	FROM: MARKWORTH ((66))
	DAY-ATTACK TYPE - LAGSIN - ON COURSE 150 GENTLY RAMMED*.  4 PLUS 6 PLUS 2 OUT OF ORDER, 84 CBM.  EQUIPMENT WAS FOR 13 WEEKS.  RETURN 16TH.  RADAR ON 26TH 140 CM HORIZONTAL WEAKLY AUDIBLE VERY DEEP TONE, STRONG REACTION IN MAGIC EYE.  NAV SQ DC 8120 ((26.15N - 73.08W 'A')).  HIGH PRESSURE.   D/F 28.45N  73.35W (N-17)        CASE 6/7/05 TOI  0528Z        6792 KCS
	TOI 0430 Z 6792 KCS 2200/11/8
	*WORDS GIVEN IN ORDER OF TEXT.  PRESUMABLY SUB, AND NOT "LAGSIN" WAS ATTACKED AND RAMMED.

 

	9 JULY 1943 TOP SECRET ULTRA MR V     0606/3/? 72 BUUS  ZHBV ( SERIES ? )
	FROM: MARKWORTH ((66))
	ON 2/7 SANK TANKER IN DB 6296 ((31.21N - 78.54W 'A')) COURSE 020, SPEED 15.  DEFENCE AS BEFORE.  4 ((4 GARBLED)) 8 ((8 GARBLED)) CBM, 3 ((6 GARBLED)) DAYS' PROVISIONS.  AM I TO BE PROVISIONED?  BER NO 8 48/16, 9 ((6 GARBLED)), 24, 48, 49, 56, 79, 10, 9 ((4 GARBLED)) ARE MISSING.  AM GOING TO RE-LOAD ((TORPEDOES)).   D/F 32.00N - 77.00W  (V-10)        CASE 3/7/05X TOI  0527Z        6792 KCS
	1505/18/4/44

 

	9 JULY 1943 HUSH SECRET GP  JLN     0831/9/486/255/20/170/716/839/322 33        OMLC  IQLU ( SERIES 4,2,0,1,7,8,3 )
	TO: MARKWORTH ((66))
	ON 8 JULY THE FUEHRER BESTOWED UPON YOU THE KNIGHT'S CROSS, HEARTIEST CONGRATULATIONS.                                     COMINCH AND COMSUBS.
	TOI 1437 Z 13570 KCS 0655/31/8

 

	13 JULY 1943 HUSH SECRET MA  EHB     0501/13/184 115 MQSY  MFVT ( SERIES 1 )
	TO: SIEGMANN ((230))
	CONTENTS OF SER. NO. 29* ((PREVIOUSLY TRANSLATED IN REPETITION FOR MARKWORTH ((66)) 0459/20/321 JULY.)) *1103/9/29/174/257/325 ETC.,  9 JULY, NOT YET READ.
	TOI 0349Z 5100 KCS 1440/26

 

	13 JULY 1943 HUSH SECRET RP  WA     2200/13/307 39 ISRS  STBJ SERIES 3
	TO: MARKWORTH ((66))
	ON AWARDING OF THE KNIGHT'S CROSS I WISH TO EXPRESS TO YOU AND YOUR BRAVE CREW MY HEARY CONGRATULATIONS.                                                RAEDER, GRAND ADMIRAL
	TOI 0142 Z 6992 KCS 0402/2

 

	16 JULY 1943 HUSH SECRET EP  H     2318/16/364 24 IMSY  JXBB SERIES 3
	FROM: S. O. FLOTILLA   TO: U-66 ((MARKWORTH)) FOR LT(JG)   DR SCHUETZE ((KURT))
	CONGRATULATIONS.
	TOI 2154 6792 KCS 1715/21

 

	20 JULY 1943 HUSH SECRET EP  H     0234/20/318 93 QJTY  XQOR SERIES 3
	FROM: MARKWORTH ((66))
	FROM NAV SQ DA 67 TO 62 ((29.50N  91.20W TO 31.40N  90.05W 'B'; BOTH POSITIONS AND COURSE ON LAND.  TEXT CLEAR.))  NOTHING ONLY MODERATE EAST-WEST SEA AIRCRAFT.  LACKING SER NOS:  348, 349 OF 5TH; 307 OF 8TH; 325, 326 OF 9TH; 348 OF 10TH; 366, 367 OF 11TH; 368 OF 17TH.  165 CBM.  RETURNING.  NAV SQ DB 73 ((28.55N  85.20W 'B')).  REQUEST METOX, SINCE THE REPAIR BY MEANS ON BOARD HAS VERY MUCH REDUCED ITS SENSITIVITY.  HIGH PRESSURE.   D/F 29.20N  72.30W  (V-25)        CASE 20/7/02 TOI  0116Z        6792 KCS
	TOI 0119Z 6792 KCS 0400/29

 

	20 JULY 1943 HUSH SECRET DF Q     0234/20/318 93 QJTY  XQOR SERIES 3
	ADDITION   ((MARKWORTH HAS GIVEN HIS NAVAL SQUARES WRONG.  "DA 67 TO 62" SHOULD BE "DB 67 TO 62" - - 29.30N 81.00W TO 32.00N  77.30W, AND AGAIN "DB 73" SHOULD BE "DC 73" - - 29.00N  74.30W 'B'.  THIS IS BORNE OUT BY D/F ON 0234/20/318 AND 0353/20/320.))   CORRECTION   ((FOR "165 CBM" READ "65 CBM".))
	0903/29

 

	20 JULY 1943 HUSH SECRET EP H       REVISED COPY * DF         0353/20/320 27 JBWH  HXYG SERIES 3
	((FROM: MARKWORTH - U-66))
	SETTING FOR MSG 318 IS JBJC   D/F 29.20N  73.00W (V-35)        CASE 20/7/05 X TOI 0207
	TOI 0213 Z 6792 KCS 0155/29
	* ((IN THE LIGHT OF 0234/20/318))

 

	20 JULY 1943 HUSH SECRET RP  JPC     0405/20/323 38 BDVG  BHSK SERIES 3
	TO: MARKWORTH ((66))
	SERIAL NUMBERS 325 AND 326, 9 JULY ARE BEING RE-ENCIPHERED AND REPEATED.  ALL OTHER MISSING SERIAL NUMBERS ARE TAKEN CARE OF AS FAR AS YOU ARE CONCERNED.
	TOI 0403 Z 5412 KCS 1750/28

 

	20 JULY 1943 HUSH SECRET RP JPC/V     0459/20/321 107 PHWF  HDVA SERIES 3
	FROM: CONTROL   TO: MARKWORTH ((66))
	CONTENT OF SERIAL NUMBER 325, 9 JULY.  THE FILLING IN OF THE FOLLOWING GROUPS IN THE SHORT-SIGNAL BOOK OF 1941 IS ORDERED: UNNG = REQUEST CONTACT BUOY* (FUEBO). UNOH = WATCH FOR CONTACT BUOY AHEAD OF CONVOY. UNPI = WATCH FOR CONTACT BUOY ASTERN OF CONVOY. UNQJ = WATCH FOR CONTACT BUOY TO PORT OF CONVOY. UNRK = WATCH FOR CONTACT BUOY TO STARBOARD OF CONVOY.
	TOI 0405 Z 6792 KCS 1932/28
	* FUEHLUNGSHALTER - SIGNALBOJE.  LITERALLY "SHADOWER'S SIGNAL BUOY.

 

	20 JULY 1943 HUSH SECRET RP  V     0534/20/20 38 EAHP  VVQI SERIES 0
	REPORTED BY MARKWORTH ((66)) ON AMERICA D: NAV SQ DB 73 ((28.55N - 85.20W (B) )).  AM RETURNING.  REQUEST METOX, AS SENSITIVITIES ((OF INSTRUMENT)) HAS BEEN GREATLY REDUCED AS A RESULT OF REPAIRS MADE WITH MEANS AVAILABLE ON BOARD.
	TOI 0405 Z 4412 KCS 2040/28

 

	20 JULY 1943 HUSH SECRET DF  Q     0534/20/20 38 EAHP  VVQI SERIES 0
	ADDITION   (("NAV SQ DB 73" HERE IS A REPETITION OF AN ERROR MADE BY MARKWORTH IN 0234/20/318.  SHOULD BE "DC 73" - - 29.00N  74.30W 'B'))
	0902/29