(19)

(11)

EP 3 924 684 A2

(12)

(88) Date of publication A3: 03.12.2020 (43) Date of publication: 22.12.2021 Bulletin 2021/51 (21) Application number: 20796225.9 (22) Date of filing: 05.02.2020

(51) International Patent Classification (IPC):  F41G 7/22(2006.01) F41G 7/20(2006.01) (52) Cooperative Patent Classification (CPC): F41G 7/008; F41G 7/2253; F41G 7/2233; F41G 7/226; F41G 7/2206; F41G 7/2293 (86) International application number: PCT/US2020/016825 (87) International publication number: WO 2020/219144 (29.10.2020 Gazette 2020/44)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 12.02.2019 US 201916274055 (71) Applicant: BAE SYSTEMS Information and Electronic Systems Integration, Inc. Nashua, NH 03061-0868 (US)	(72) Inventors: SCHORR, David, J. Nashua, NH 03061-0868 (US) STEENSON, Jr., James, H. Nashua, NH 03061-0868 (US) (74) Representative: BAE SYSTEMS plc Group IP Department  Warwick House P.O. Box 87 Farnborough Aerospace Centre Farnborough Hampshire GU14 6YU Farnborough Hampshire GU14 6YU (GB)