Related Clues:

• Thumbs-up cry
• Astronaut's "all right!"
• Just fine (hyph. wd)
• Hunky-dory, for short (hyph.)
• Hunky-dory, for short
• Flawless, in spaceflight
• Thumbs-up letters
• Quite all right
• More than alright
• Astronaut's assent
• NASA approval
• “Fine by me!”
• Thumbs-up, to an astronaut
• NASA "yes"
• Thumbs-up at NASA