(розм.) другий Джон, другий лейтенант (звання)
Honest John (HJ)
John
John Doe
John Recruit
Little John
chopper John
Dear John
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 level rater
second line
second line of defence
second strike force
second theater