Ark Robotics DVD 2026 highlights: Drones, robots and the British Army’s connected future DVD 2026 highlights: Drones, robots and the British Army’s connected future DVD 2026 18 Sep 2026 Babcock and Ark Robotics partner on uncrewed ground vehicles for UK forces Babcock and Ark Robotics partner on uncrewed ground vehicles for UK forces Babcock 17 Sep 2026