Brother briefly security-checked in ship (8)

I believe the answer is:

corvette

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'ship' is the definition.
(corvette is a kind of ship)

'brother briefly security-checked' is the wordplay.
'brother' becomes 'cor' (I can't explain this - if you can you should believe this answer much more).
'briefly' means to remove the last letter.
'security-checked' becomes 'vetted' (I've seen this before).
'vetted' with its final letter taken off is 'vette'.
'cor'+'vette'='CORVETTE'

'in' acts as a link.

Can you help me to learn more?

(Other definitions for corvette that I've seen before include "Small naval escort vessel" , "Escort warship" , "Small escort ship" , "Small warship for escorting larger vessels" , "Fighting ship" .)

I've seen this clue in The Times.

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