Possible Clues:

• '-- Sharkey' ('70s sitcom)
• Adm.'s underling
• '-- Sharkey' (old sitcom)
• 8 Down's superior: Abbr
• Sharkey's sitcom rank
• USN NCO
• Sharkey's rank, in a '70s sitcom
• Coast Guard rank: Abbr
• "— Sharkey" ('70s sitcom)
• U.S.N.A. rank