Crossword clues for ___ aboard! 3 lettersAnswerClueLBJPres. sworn in aboard Air Force OneETSThose aboard a U.F.O.ARITycoon aboard the ChristinaARINickname aboard the ChristinaSTAAll aboard! area: Abbr.ALLThose summoned aboardALL'-- aboard!'HALFilm villain aboard Discovery OneADDBring aboardHALComputer aboard the Discovery OneENSRank aboard the Enterprise: Abbr.HMS___ Beagle (ship with Charles Darwin aboard)ALLWord with out or aboardHALAI aboard the United States Spacecraft Discovery OneGUSNickname aboard Apollo 1GUSGrissom aboard Apollo 1AYEYes aboard shipYARLt. Tasha aboard USS EnterpriseXXXComputer aboard the Discovery OneENSWesley Crusher's rank aboard the USS EnterpriseALL___ aboard!HALComputer aboard Discovery OneTENFour bells, aboard shipISSCraft aboard which the astronaut Sunita Williams ran the 2007 Boston Marathon: Abbr.HALComputer aboard the DiscoveryABOARDWelcome ___ABOARDIn stateroom or sleeper.ABOARDEntrainedABOARDConductor's wordABOARDOn a jet.ABOARDOn, as a planeABOARDOn the wagon?ABOARDOn base, in baseballABOARDOn a train or planeABOARDAll ___! (conductor's shout)ABOARDReady to sail.ABOARDReady to goABOARDBeing trained, sayABOARDOn the planeABOARDIn a train or planeABOARDOn a plane, train, or busABOARDReady to be shippedABOARDOn the busABOARDOne way to hopABOARDAll ___! (conductor's call)ABOARDAll ___!ABOARDOn baseABOARDOn shipABOARDOnABOARDOn the boat