Lockheed Martin Corporation

Michael W Harbeck

Brian Quayle

An air vehicle fuselage adapted for transonic operation is disclosed. The fuselage has a body and a close-out. A lower surface of the body has a waterline value that varies along a fore-aft direction of the fuselage and is equal to a first waterline value at a forward end of the close-out and rise to a second waterline value at an aft end of the close-out. The lower surface has a drag-reduction blivet that includes a first region wherein the lower surface drops to a point comprising a third waterline value that is below the first waterline value and a first inward radius and then rises over a second region disposed aft of the first region wherein a second radius that is a minimum radius of the lower surface within the second region is greater than the first radius.

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Santa Clarita, CA, United States of America

Michael W Harbeck