Home Base:Yokosuka Naval Base;
31/10/1942-15/01/1943=Kure Sub.Ron;Kure N.D.F;
16/01/1942-15/04/1943=Sub.Ron.7;8th Fleet;Combined Fleet;
15/04/1943-20/08/1943=Sub.Ron.7;SE Area Fleet;
20/08/1943-01/12/1943=Sub.Div.51;Sub.Ron.7;SE Area Fleet;

CEO:Lt.Orita Zenji [59]=20/07/1942-31/10/1942;
CO:Lt./Lt.Cdr.Orita Zenji [59]= 31/10/1942-04/09/1943;
CO:Lt.Arima Fumio [64]=20/08/1943 Posted CO.Did not take up post,KIA28/08/1943 en route;
CO:Lt.Fujisawa Masataka [63]=04/09/1943-15/09/1943+KIA;

17/04/1942 Renumbered RO-101;
12/07/1943 Solomons=Damaged;US.DD.Taylor;Gunfire&Depth Charges;
15/09/1943 Sunk=100m.e.San Cristopal Is.;10*57'S;163*56'E;
US.DD.Saufley;
No Survivors;50 KIA;
01/12/1943 Removed from Navy List;

[Lt.Cdr.Orita Zenji] [59]
18/01/1943Yokosuka-25/01/1943Truk=Transit;
04/02/1943Truk-08/02/1943Rabaul=Guadalcanal;
09/02/1943Rabaul-28/02/1943Rabaul=CoralSea-Port Moresby;
05/03/1943Rabaul-08/03/1943Rabaul=BismarckSea(Rescue-45 Men); 09/03/1943Rabaul-12/03/1943Rabaul=BismarckSea(Rescue-RO-103); 19/03/1943Rabaul-19/03/1943Rabaul=Solomons; (Aborted,CrewSickness); 21/03/1943Rabaul-12/04/1943Rabaul=Solomons,Guadalcanal;
30/04/1943Rabaul-21/05/1943Rabaul=New Guinea-MilneBay;
08/06/1943Rabaul-03/07/1943Rabaul=Solomons,Munda;
08/07/1943Rabaul-14/07/1943Rabaul=Solomons,Kolombangara(Damaged-Repairs);
07/08/1943Rabaul-26/08/1943Rabaul=Solomons,Kolombangara;
[Lt.Fujisawa Masataka] [63]
10/09/1943Rabaul-15/09/1943Sunk=se.SanCristobal Is+;

Sorties=10;