літак, виділений для виконання другорядних завдань
abort a mission / abort the mission / abort mission
second-line aircraft
mission-type tactics / mission command (нім. Auftragstaktik)
meters per second (m/s)
second in command (2i/c , 2IC)
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-in-command
second-strike strategy
second-strike weapon