Crew list of Ships hit by U-boats
Martin Johansen
Merchant Marine. American
Roster information listed for Martin Johansen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Robert C. Tuttle | Steam tanker | Master | 15 Jun 1942 | U-701 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Robert C. Tuttle | Steam tanker | Master | 15 Jun 1942 | U-701 |