Ship's top off

• USN rank below capt
• Your friend's band's demo from 15 years ago
• USN rank for a sub's skipper
• Capt.'s subordinate
• Lt. Col. : Army :: __ : Navy
• Demo for a technologically-impaired band, probably
• Music mix medium: Abbr
• Part of C.I.C.: Abbr
• Navy officer: Abbr

Wikipedia Word definitions in Wikipedia
CDR may refer to: