Related Clues:

• Round-ending signal
• Bout ender
• U.S. Army E-5
• Many a defender: Abbr.
• It starts the NYSE
• QB's pass, completed or not
• Verizon rival, initially
• Pungent powder
• Capt.'s underling
• USMC NCO
• Towser, e.g., in 'Catch-22': Abbr.
• Bike accessory
• USMC noncom
• Part of a 2005 SBC merger
• Bossy's ringer