Y azimuth
Y formation
Y grid
Y-hour
Y–junction
Y line
Y–service
Y-type foxhole
Y – YANKEE
Yankee
yard
yard track
yaw
yaw stability
yawing (див. yaw)
yearling
yellow area
yeoman
yeoman of signals
yeomanry
yeoman's service
yield
yield ground
yield oneself prisoner
yield point (YP)
yield strength (YS)
yield success
yomp
you are / I read you…
yperite; mustard gas
YPR-765