Transonic Hulls, Inspired by Racing Yachts, Could Add Stealth To Navy SEALs' Boats

Transonic Hull: Graham Murdoch

From Popular Science:

A knife-like boat design provides a covert, fuel-efficient ride.

An undercover team of Navy SEALs isn’t worth much if their transport boat’s wake betrays their approach. Nor does it help if they come ashore with back pain and possible organ damage from the boat’s constant bouncing. A sleek new hull design could help troops slip through waves undetected and unscathed, while also setting a new standard for efficient nautical design.

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