fly·ing squad
noun/ˈflaɪɪŋ skwɒd/
/ˈflaɪɪŋ skwɑːd/
(usually the Flying Squad)
[countable + singular or plural verb]- a group of police officers in the UK who are ready to travel very quickly to the scene of a serious crime
（英国）机动警察队，快速特警队