While both competitors are tailless flying wings powered by single turbofans, the X-47B was designed for carrier operations and features folding wings and a tail hook.

• 参与竞争的两种无人机均为单一扇涡轮驱动的无尾翼飞行飞机，除此以外，X-47B被设计用于航母作战，具有可折叠机翼，并装备有尾部吊钩。