Ex German UIT25; Ex Italian Luigi Torelli;
10/05/1945 Taken over by Japan;
Home Base:Kawasaki;
15/07/1945-30/11/1945=6th Fleet;

CO:Lt.Hirota Shuzo [67]=14/07/1945-30/11/1945;
CO:Lt.Tanaka Chiaki [69]=30/10/1945-30/11/1945;

17/07/1945 Renumbered I-504;
/08/1945 Surrendered=Kobe;
16/04/1946;Scuttled off Kobe;
No Casualties;
30/11/1945 Removed from Navy List;

RMI=
/10/1940-08/09/1943=11th Sub.Group;

RMI=
CO:Cdr.Aldo Cocchia=15/05/1940-07/10/1940;
CO:Cdr.Primo Longobardo=07/10/1940- / /1941;
CO:Lt.Cdr.Antonio de Giacomo= / /1941- / /1942;
CO:Lt.Augusto Migliorini= / /1942- / /1943;
CO:Lt.Cdr.Antonio de Giacomo= //1943- 04/1943;
CO:Lt.Enrico Gropalli= /04/1943-08/09/1943;

KM=
10/09/1943- /09 1944=12th U-Ron;
10/1944-06/05/1945=33rd U-Ron;

KM=
CO:Lt.Werner Striegler=10/09/1943-13/02/1944;
CO;Vacant=13/02/1944-14/02/1944;
CO:Lt.Werner Striegler=14/02/1944- /09/1944;
(A)CO:Lt.Herbert Schrein= /09/1944- /02/1945;
CO:Lt.Alfred Meier= /02/1945-10/05/1945;

/03/1943- /04/1943=Converted to Transport Sub;
21/09/1941=Damaged;Br.DD.Vimy;Depth Charges;
05/06/1942=Damaged;Br.A/C.Bombs;
06/06/1942=Damaged;Br.A/C.Bombs,MG fire; 1 KIA;

IJN Sorties=0

[Cdr.Aldo Cocchia]
/ /1940La Spezia- / /1940La Spezia=Gulf of Genoa;
31/08/1940La Spezia-05/10/1940Bordeaux=Mediterterranean-n.Atlantic-Azores;
[Cdr.Primo Longobardo]
11/12/1940Bordeaux-26/12/1940Bordeaux=n.Atlantic; Aborted,engin trouble;(Repairs);
05/01/1941Bordeaux-04/02/1941Bordeaux=w.Scotland,n.Atlantic;(Repairs);
[Lt.Cdr.Antonio de Giacomo]
/04/1941Bordeaux- m/05/1941Bordeaux=n.Atlantic;
29/06/1941Bordeaux- l/07/1941Bordeaux=w.Gibraltar,n.Atlantic;
/09/1941Bordeaux- /10/1941Bordeaux=w.Gibraltar,n.Atlantic;(Repairs);
05/12/1941Bordeaux-23/12/1941St.Nazaire=s.Atlantic;(Rescued survivors,KM.AMC. Atlantis);
02/02/1942Bordeaux-31/03/1942Bordeaux=n.Atlantic-US.e.Coast;(Repairs);
[Lt.Augusto Migliorini]
02/06/1942Bordeaux-15/07/1942Bordeaux=n.Atlantic-aborted,Bomb damage;(Repairs);
[Lt.Cdr.Antonio de Giacomo]
21/02/1943Bordeaux-03/04/1943Bordeaux=s.Atlantic-Brasil Coast;(Repairs);
[Lt.Enrico Gropalli]
14/06/1943Bordeaux-26/08/1943Sabang=Atlantic-Indian Ocean;(Supply t+4men);
28/08/1943Sabang-29/08/1943Penang=Transit;
29/08/1943Penang-31/08/1943Singapore=Transit;(Repairs);

RMI Sorties=12;

[Lt.Werner Striegler]
08/02/1944Singapore-10/02/1944Penang=Transit;
07/03/1944Penang-11/03/1944Surabaya=Transit;
10/06/1944Surabaya-25/06/1944Tamano=Transit;(Repairs);
//1944Tamano-//1944Batavia=Transit;

[Lt.Alfred Meier]
/02/1945Batavia- /03/1945Kobe=(Supply)

KM Sorties=1;

IJN=0

RMI=
[Cdr.Primo Longobardo]
15/01/1941Sunk No.MS.Brask;4079t;n.Atlantic;52*45'N;23*59'W;
15/01/1941Sunk Gr.MS.Nemea;5101t;n.Atlantic;52*33'N;24*13'W;
16/01/1941Sunk Gr.MS.Nicolaos Filinis;3111t;n.Atlantic;53* 'N;24* 'W;
28/01/1941Sunk Br.MS.Urla;5198t;n.Atlantic;54*54'N;19*20'W;
[Lt.Cdr.Antonio de Giacomo]
21/07/1941Sunk No.MS.IdaKnudsen;8913t;n.Atlantic;34*34'N;13*14'W;
20/02/1942Sunk Br.MS.ScottishStar;7224t;n.Atlantic;13*24'N;49*36'W;
25/02/1942Sunk Pa.MS.Esso Copenhagen;9245t;10*32'N;53*20'W;

KM=0

RMI=
M/S Sunk =07@042871t
M/S Damaged =0
W/S Sunk =0
W/S Damaged =0
Total Sunk =07@042871t
Total Damaged =0
Total =07@042871t