Related Clues:

• Astronaut's 'yes'
• Prep
• Willing and able partner?
• Perfectly all right
• NASA's 'no prob'
• "... three to get ___ ..."
• Fine, in space
• Verbal thumbs-up
• "Everything's fine!"
• NASA's "Go"
• Spoken thumbs-up
• Primed for action
• NASA fine?
• Is the East prepared to be in such a dry setting?
• Is one prepared to make a dry E of this?