RAF Tholthorpe
Operational units and aircraft
Table:
data from[3][4]

Unit
From
To
Aircraft
Version

No. 420 Squadron RCAF
12 December 1943
12 June 1945
Handley Page Halifax
Avro Lancaster
Mk.III (1943-1945)
Mk.X (1945)

No. 425 Squadron RCAF
12 December 1943
13 June 1945
Handley Page Halifax
Avro Lancaster
Mk.III (1943-1945)
Mk.X (1945)

No. 431 Squadron RCAF
15 July 1943
10 December 1943
Handley Page Halifax
Mk.V

No. 434 Squadron RCAF
13 June 1943
11 December 1943
Handley Page Halifax
Mk.V

Considering the data within the table titled "Operational units and aircraft" section of RAF Tholthorpe, write a short sentence answer to the question: What operational units took Avro Lancasters until June 1945? Output only the correct answer as {"answer": "YOUR ANSWER"}.

answer: The No. 420 and 425 Squadrons took Avro Lancasters until June 1945.