(19)

(11)

EP 2 044 384 A2

(12)

(88) Date of publication A3: 13.11.2008 (43) Date of publication: 08.04.2009 Bulletin 2009/15 (21) Application number: 07873856.4 (22) Date of filing: 20.07.2007

(51) International Patent Classification (IPC):  F42B 12/00(2006.01) (86) International application number: PCT/US2007/074001 (87) International publication number: WO 2008/105906 (04.09.2008 Gazette 2008/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 21.07.2006 US 832366 P (71) Applicant: Lockheed Martin Corporation Grand Prairie, TX 75051 (US)	(72) Inventors: SCHROEDER, Wayne, K. Mansfield, TX 76063 (US) BANKS, Johnny, E. Venus, TX 76084 (US) (74) Representative: Lecomte, Didier  Lecomte & Partners Sàrl P.O.Box 1623 1016 Luxembourg 1016 Luxembourg (LU)