alert five
English
Pronunciation
Audio
(
General Australian
)
:
(file)
Noun
alert
five
(
uncountable
)
(
military
,
slang
)
On an
aircraft
carrier
, the state where
fighters
and
crew
are
on guard
,
standing by
in the aircraft,
strapped
in and ready to be
launched
in
five
minutes
or less.