Does the British military say "ten-hut"?

Question

Does they say "ten-hut" or do they say something else? If something else, what do they say?

Answer 1

It is ''A-ten-tion!'' but they say it in a sharp command sort of way, so thats why you probably thought they ware saying "hut''

Answer 2

The actually say "A-Ten-Tion!".

Answer 3

It's actually "attention"