штиль
zero-zero landing
zero-zero weather
zero-wind condition
wind rode / wind-rode
wind relative bearing / wind-relative bearing
wind's eye (in the wind's eye)
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
inferred-zero instrument
absolute zero