Related Clues:

• View
• Org. that advises the N.S.C.
• Furtive sort
• Spot
• Catch sight of
• Spy org.
• K.G.B.'s cold war foe
• Glimpse
• Catch
• Underground worker
• Mole, for one
• Apple variety
• Hush-hush org.
• Kind of catcher
• Tom Clancy subj.