Air-to-Ground Weapons Carriage and Release Systems Gravity Bomb Rack Unit HomeWeapons Carriage and Rel... Air-to-Ground Weapons Ca... Air-to-Ground Bomb RacksGravity Bomb Rack Unit Cobham’s Gravity Bomb Rack Unit (GBRU) (part number CT03813-1) was designed for fixed wing and helicopter applications where simple, yet rugged and reliable weapons carriage solutions are required. Home Capabilities Customers Suppliers Careers News About Air-to-Ground Bomb Racks Product Contacts UK Cobham Mission Systems, Wimborne, UK Brook Road, Wimborne, Dorset, UK BH21 2BJ. Tel +44 (0) 1202 882121 Fax +44 (0) 1202 880096 Cobham Mission Systems Wimborne Limited View location Contact office USA Cobham Mission Systems, Orchard Park, USA 10 Cobham Drive, Orchard Park, New York, USA 14127. Tel +1 716 662 0006 Fax +1 716 662 0747 Cobham Mission Systems Orchard Park Inc. View location Contact office