Related Clues:

• Unready, in NASA-speak
• Battleship response
• Waste ammo, say
• Not notice
• Scrubbed, as a launch
• Impossible task for goon
• Can't be done, not on
• Girl or unmarried woman
• Area forbidden to certain groups, maybe police
• Entry to this area is forbidden (2-2)
• 'A . . . . is as good as a mile'
• Area to which access is prevented, by paramilitaries, say
• One is as good as a mile
• You might wish that 33 down were with you
• You'd never get a single one like this