взаємний обмін офіцерами (напр. між родами військ)
cover assignments
aerial crossover
chaff cloud radar crossover
crossover
crossover duct
crossover line
crossover pipe
crossover point
crossover road
crossover track
crossover training
depot crossover
double crossover
NATO crossover
target scattering crossover / target scattering cross-section / electronic target profile
radar cross-section / radar cross section (RCS); radar signature; radar crossover