(19)

(11)

EP 2 286 170 A2

(12)

(88) Date of publication A3: 25.02.2010 (43) Date of publication: 23.02.2011 Bulletin 2011/08 (21) Application number: 09747779.8 (22) Date of filing: 18.05.2009

(51) International Patent Classification (IPC):  F41A 33/00(2006.01) G06G 7/80(2006.01) (86) International application number: PCT/US2009/044411 (87) International publication number: WO 2009/140698 (19.11.2009 Gazette 2009/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 16.05.2008 US 127917 P (71) Applicant: BAE Systems Land & Armaments L.P. Arlington, VA 22209 (US)	(72) Inventor: BURFORD, Sandford Arlington, VA 22209 (US) (74) Representative: Lawrence, John et al Barker Brettell LLP 100 Hagley Road Edgbaston Birmingham B16 8QQ Edgbaston Birmingham B16 8QQ (GB)