However, in April 2003, the Air Force and the Navy efforts were formally combined under the joint DARPA/United StatesF/Navy J-UCAV program, later renamed J-UCAS (Joint Unmanned Combat Air Systems), and the X-46 program was terminated as redundant.
Namun, pada bulan April 2003, Angkatan Udara dan Angkatan Laut berupaya secara resmi digabungkan bersama di bawah program J-UCAV DARPA / USAF / Angkatan Laut, kemudian berganti nama J-UCAS ( Joint Unmanned Combat Air System ), dan program X-46 dihentikan.