лінія бойового зіткнення (ЛБЗ); перша лінія оборони; основний напрямок стрільби
zero-zero landing
zero-zero weather
deployment line; line of deployment (LD); line of departure
zero-lift line
get the guns parallel on their zero line
record zero line
observer-target line (OT line)
scheme trail line (tag line)
battlesight zero (BZO)
ground zero (GZ)
vision nil (zero)
zero elevation
zero in on
zero shot
zero tolerance
zero visibility
zero zone
zero-in
zero dark thirty
zero lead homing
actual zero of sight
zero degree angle
zero in
zero in on intelligence assets
zero mark
zero recoil
under zero angle of incidence
Far-Zero
have zero intelligence-related experience
zero mark of gas regulator
zero indicator
inferred zero