заступник командувача (командира); помічник командира корабля
second in command (2i/c , 2IC)
Two i/c (Second in command)
meters per second (m/s)
second lieutenant
second order effect
floating-point operation per second (FLOP)
captain second rank
fuel flow (kilogram/second)
centimeter-gram-second (CGS)
meter-kilogram-second-ampere system (MKSA)
meters per second (MPS)
second cause
second mean chord
additional second lieutenant
second-trip echo
second wave attack theory
second classman
second commander
second for service
second echelon maintenance
second element
second John
second level rater
second line
second line of defence
second strike force
second theater
second-line aircraft
second-mission aircraft
second-strike strategy
second-strike weapon
split-second firepower