贝尔公司还在为美国陆军研发V-280/MV-75“勇气”新一代倾转旋翼机。这款倾转旋翼机用于取代UH60“黑鹰”系列直升机。该公司还关注海军的未来垂直起降项目，认为可以通过海军版V-280倾转旋翼机搭配V-247无人机来实现这一目标，V-247无人机 ...

LONDON, July 14 (Xinhua) -- Four people were killed when a plane crashed at London Southend Airport on Sunday, Essex police confirmed on Monday.

2025年7月8日，雷神公司在纳拉甘西特湾的开放水域里，首次成功对其研发的“梭子鱼”无人潜航器进行水下半自主状态的扫雷测试。“梭子鱼”无人潜航器是一种具备“人在回路”的无人潜航器，能够执行水下扫雷等在内的任务，目前，该型无人潜航器已经被美国海军归入最 ...

LONDON, July 14 (Xinhua) -- Four people were killed when a plane crashed at London Southend Airport on Sunday, local media reported on Monday. Both the BBC and the PA news agency reported four people ...