Fleet Air Arm
Sadly more like an Air Finger these days. But getting quite excited about getting some fast jets again when the 2 new carriers arrive. Pity they're going to be scrapped before launch to pay for the national debt run up by Lie-bour.
It's also a slang term.
"We need to be Fleet Air Arm on this" meaning we need to be fully prepared for every eventuality, able to answer any questions, no loopholes, nothing missed that we will be caught out on.