original_query: What was the composition of each squadron in the headquarters squadron and three sabre squadrons?
query: What was the composition of each squadron in a British armoured brigade's headquarters squadron and three sabre squadrons in May 1940?
answer: In May 1940, each squadron in a British armoured brigade (both headquarters and sabre squadrons) consisted of a squadron headquarters (with two cruisers and two close support tanks) and four troops, each comprising three cruisers.