Military planners work under the assumption that in a nuclear strike, decoy missiles could be launched along with those carrying nuclear warheads to confuse and overwhelm missile defense shields. According to the sources, Project Bluebird is designed to avert such a scenario. [...]
Defense News quoted a Pentagon official as saying that "the escalating Iranian nuclear threat and the possibility that Teheran will one day equip ballistic missiles with decoys and maneuvering warheads" have pushed Jerusalem to seek American backing to deploy the sensor on an unmanned aerial vehicle (UAV). This would make it an operational part of Israel's national missile defense network - the Arrow anti-tactical ballistic missile system.