Q: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Context : The 43rd (Wessex) Reconnaissance Regiment (The Gloucestershire Regiment) (43 Recce) was a regiment of the British Army's Reconnaissance Corps, itself part of the Royal Armoured Corps, during World War II. It fought in North West Europe with the 21st Army Group in 1944--1945.
Answer : British Army
A:
What army did 43rd (Wessex) Reconnaissance Regiment serve in?