| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | RAF Tholthorpe - Operational units and aircraft |  |  |  |  |
| 3 | Unit | From | To | Aircraft | Version |
| 4 | No. 420 Squadron RCAF | 12 December 1943 | 12 June 1945 | Handley Page Halifax Avro Lancaster | Mk.III (1943-1945) Mk.X (1945) |
| 5 | No. 425 Squadron RCAF | 12 December 1943 | 13 June 1945 | Handley Page Halifax Avro Lancaster | Mk.III (1943-1945) Mk.X (1945) |
| 6 | No. 431 Squadron RCAF | 15 July 1943 | 10 December 1943 | Handley Page Halifax | Mk.V |
| 7 | No. 434 Squadron RCAF | 13 June 1943 | 11 December 1943 | Handley Page Halifax | Mk.V |

Question: What operational units took Avro Lancasters until June 1945?
Answer: The No. 420 and 425 Squadrons took Avro Lancasters until June 1945.