Related Clues:

• Flag bearers
• Sends by UPS, say
• Clipper supporters
• Jib supports
• Ship spars
• A barque has at least three
• Brigantine pair
• Yawl's pair
• Harbor-at-dawn skyline highlights
• They're usually rigged
• Yacht features
• Spars on board
• Is mailed out
• Things traveling on sound waves?
• Titanic and Lusitania