Two years after they failed to reach a business agreement and parted company, Northrop Grumman has acquired the KillerBee line of unmanned aircraft from Swift Engineering.

在遭遇失去商业协议并拆分公司的两年后，诺思·罗普·格鲁曼从斯威夫特工程公司(Swift Engineering)接手了杀人蜂无人战机。