Diagram showing the design of the lift system of the U.S. Navy experimental hydrofoil Bell SKMR-1 <i>Hydroskimmer</i>.
USN
U.S. Army Materiel Command, Foreign Science an Technology Center: <a rel="nofollow" class="external text" href="http://www.dtic.mil/dtic/tr/fulltext/u2/742425.pdf"><i>Basic Theories of Air Cushion Vehicles</i></a>, 1972, p. 56.