Possible Clues:

• Launch full of drugs?
• One might tow a skier
• Vessel obtained from seabed with top broken
• Like a bird on the wing with an engine?
• Powered craft
• Base depot ordered fast transport
• One may be in front of a skier
• Volunteers died, abyssal oceans overturning fast vessel
• Suitable craft for the fleet?
• Skier's tower