Godspeed [interjection]

● Adieu

● Farewell

● Goodbye

● Adios

● Bye-bye

● Cheerio

● Gluckliche Reise

● Happy landing

● Pleasant journey

● Send-off

● Tsetchem leshalom

● Godspeed

● Goodbye

● Farewell

● Luck

● Adieu

● Good-bye

● Prithee

● Bon voyage

● Congratulations

● Wish

● Congrats

● Luv

● Cya

● Hooray

● Cheerio

● Goodnight

● Huzzah

● Thank you

● Commiserations

● Astronauts

● Blam

● Auld lang syne

● Amigo

● Au revoir

● Never again

● Bartlet

● Good luck

● Flight engineer

● Hearties

● Ahoy

● Adios

● Wild blue yonder

● Nev

● Thx

● Pardner

● April fool

● Bucko

● Hallo

● Ciao

● Dittos

● Sayonara

● Stow

● Say farewell

● Space station

● Circumlunar

● Vamoose

● Conway

● Bravo

● Goodby

● Lucky lindy

● Skedaddle

● Bett

● Shutup

● Vicky

● Blastoff

● Buenas noches

● Cuba libre

● Terra firma

● Unh

● Mazel tov

● Potus

● Shithouse

● Hiya

● Tempus fugit

● Rotflmao

● Tinkerbell

● Yours

● Space shuttle

● Hmph

● Prayers

● Grampa

● Excellency

● Outer space

● Vaya

● Brazile

● Bow down

● Brokaw

● Valentina tereshkova

● Flyboys

● Sir

● Pull over

● Dammit

● Blest

● Hore

● Dreamers

● Morns

● Spaceship

● Demint

● Yourselves

● Gipper

● Holyday

● Tonite

● Stay out

● Pshaw

● Asif

● Salute

● Pronto

● Elfs

● Spacewalker

● Toast