The category "<craft_message>" can be expressed as follows:
alpha check
bda
beaming
bingo
blind
bugout
burner
buster
chaff
clean
clear
clear underneath
come back
come of left
come of right
commence fueling
cross turn
deploy
disregard
engaged
established
extend
flares
flight sorted
fox four
fox one
fox three
fox two
free
fuel escort complete
fuel escort completed
fueling complete
fueling completed
gadget
gate
hack
holding hands
hot
ip inbound
jink
join
joker
judy
knock if off
lost bogey
lost contact
lost wingman
mark on deck
marking
mayday pan
midnight
naked
no contact
no joy
no radar contact
on top
picture
pince
popeye
popping
post it
press
push_switch
pushing
reno
request texaco
reset
saunter
searching
searching for bogey
sorted
spiked
splash
stripping
terminating beam
terminating turn
top
up for checks
visual
winchester
you have the lead