velocity of impact

ballistic impact point (BIP) / ground (predicted) impact point (PIP)

impact velocity

acoustic impact

angle of impact

blunt impact ammunition

impact error

impact fuze

impact-sensitive chemical

mean point of impact (MPI)

multiple rounds simultaneous impact (MRSI)

point of impact (POI)

psychological impact / shock

quick-impact projects

environmental impact

Environmental Impact Assessment (EIA)

impact free

impact survey

round 1 impact

impact distribution pattern

significant impact / influence

designed point of impact

ditching impact

apparent center of impact

back impact

impact power

impact surface

impact zone

extreme impact damage

impact stroke

impact test

impact testing

specific impact viscosity