The ULB Demonstrator first flew in the unmanned mode on June 30, 2006 from the United States Army's Yuma Proving Ground, flying a pre-programmed 20-minute armed intelligence, surveillance and reconnaissance mission around the facility.
Demonstran ULB pertama terbang dalam modus tak berawak pada tanggal 30 Juni 2006 dari Angkatan Darat Amerika Serikat Yuma Proving Ground, terbang 20 menit misi intelijen bersenjata, pengawasan dan pengintaian pra-diprogram di sekitar fasilitas.