Crew list of Ships hit by U-boats
Alf Riiber Christensen
Merchant Navy. Norwegian
Roster information listed for Alf Riiber Christensen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Tankexpress | Motor tanker | Chief Officer | 25 Jul 1942 | U-130 |
| Minister Wedel | Motor tanker | Chief Officer | 9 Jan 1943 | U-522 |