Related Clues:

• Colonel's insignia
• L-1011, e.g.
• Its business is booming
• See 37-Across
• Appear
• Bird on a U.S. coin
• Runway sight
• J.F.K. sight
• The Red Baron, for one
• It'll get you there P.D.Q.
• J.F.K. lander
• Fast way to J.F.K.
• Very dark
• Rapid transit?
• See 64-Across