Related Clues:

• It may have a projection
• Weather forecast staple
• It hunted for Red October
• Trooper's trapper
• ''M*A*S*H'' character
• Where X marks the spot
• Bat's navigation aid
• Traffic cop's tool
• Echo finder
• Weathercaster's tool
• Atlas item
• Forecasting aid
• Tourist purchase
• What stealth may avoid
• Sonar's cousin