| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | USS Bancroft (DD-256) - Trans-Atlantic convoys escorted |  |  |  |
| 3 | Convoy | Escort Group | Dates | Notes |
| 4 | SC 49 | - | 14-21 Oct 1941 | Newfoundland to Iceland |
| 5 | SC 55 | - | 19-25 Nov 1941 | Newfoundland to Iceland |
| 6 | SC 71 | - | 27 Feb-9 March 1942 | Newfoundland to Northern Ireland |
| 7 | ON 76 | - | 16–23 March 1942 | Northern Ireland to Newfoundland |
| 8 | SC 78 | - | 9–16 April 1942 | Newfoundland to Northern Ireland |
| 9 | ON 90 | - | 5–9 May 1942 | Northern Ireland to Newfoundland |
| 10 | SC 85 | MOEF group C4 | 31 May-12 June 1942 | Newfoundland to Northern Ireland |
| 11 | ON 105 | MOEF group C4 | 20–27 June 1942 | Northern Ireland to Newfoundland |
| 12 | HX 197 | MOEF group C4 | 9–16 July 1942 | Newfoundland to Northern Ireland |
| 13 | ON 116 | MOEF group C4 | 26 July-1 Aug 1942 | Northern Ireland to Newfoundland |
| 14 | ON 121 | MOEF group C3 | 20-22 Aug 1942 | Iceland to Newfoundland |
| 15 | SC 99 | MOEF group C1 | 9-19 Sept 1942 | Newfoundland to Northern Ireland |
| 16 | ON 147 | MOEF group C4 | 20-23 Nov 1942 | Northern Ireland to Newfoundland |
| 17 | ON 146 | MOEF group B3 | 29 Nov-5 Dec 1942 | Northern Ireland to Newfoundland |
| 18 | SC 127 | WLEF | 16–20 April 1943 | Halifax to Newfoundland |
| 19 | ONS 4 | WLEF | 29 April-5 May 1943 | Newfoundland to Halifax |
| 20 | HX 240 | WLEF | 21–25 May 1943 | Halifax to Newfoundland |
| 21 | HX 242 | MOEF group C2 | 6–14 June 1943 | Newfoundland to Northern Ireland |
| 22 | ON 190 | MOEF group C2 | 25 June-1 July 1943 | Northern Ireland to Newfoundland |
| 23 | ONS 19 | 9th escort group | 27 Sept-9 Oct 1943 | - |

Question: Which convoys did the USS Bancroft use to escort MOEF group C3, group C1, and  group C4?
Answer: The USS Bancroft escorted convoy ON-121 with Escort Group C-3, convoy SC-99 with Escort Group C-1 and convoy ON-147 with Escort Group C-4.