clear headway

achieve headway

achieving breakthrough / headway

headway

achieving headway

close headway

make headway

obtain headway

obtaining headway

train headway

clear / cut a gap

clear a fence

clear a misfire

clear out

I read you loud and clear

loud and clear

report clear

shoot oneself clear

clear field of fire

all clear

all-clear signal

clear (a ship) for action

Clear for action!

clear mines

clear opening

clear the gun

clear-blending value

keep road clear for traffic

clear air turbulence (CAT)

keep clear of the aircraft

gas clear

all clear!

clear а pocket