It was first developed for the US government as a long-range spy aircraft, but was abandoned following budget cutbacks.
它最初是为美国政府研制的远程间谍飞机，但在预算削减后被放弃。
2
The radar provides the helicopter with long-range search, imaging and tracking of surface vessels, a periscope detection mode, and the IFF to identify other aircraft in flight.
雷达给直升机提供远程搜索、水面舰艇的成像和跟踪、潜艇检测，并使用敌我识别系统识别飞行中的其他飞机。
3
It is designed to perform conventional helicopter missions but with the long-range, high-speed cruise performance of a turboprop aircraft.