, ▁for ▁defense ▁officials . ▁On ▁ 9 ▁May ▁ 2 0 1 1 ▁the ▁aircraft ▁was ▁public ly ▁un ve iled ▁for ▁the ▁first ▁time , ▁and ▁between ▁ 2 3 ▁May ▁and ▁ 3 ▁June ▁ 2 0 1 0 , ▁it ▁participated ▁in ▁the ▁ 2 0 1 1 ▁Empire ▁Challenge ▁exercise , ▁where ▁it ▁displayed ▁its ▁ability ▁to ▁carry ▁multiple ▁pay loads ▁and ▁switch ▁them ▁out ▁rapidly . ▁ ▁According ▁to ▁North rop , ▁the ▁single ▁aircraft ▁built ▁is ▁considered ▁to ▁be ▁operation ally ▁ready , ▁beyond ▁the ▁prototype ▁stage . ▁At ▁the ▁time ▁of ▁the ▁aircraft ' s ▁public ▁un ve iling , ▁there ▁were ▁early ▁plans ▁for ▁a ▁second ▁aircraft ▁to ▁be ▁built . ▁If ▁it ▁enters ▁production , ▁construction ▁of ▁the ▁Fire bird ▁is ▁planned ▁to ▁move ▁to ▁fact ories ▁in ▁Pal md ale , ▁California ▁or ▁M oss ▁Point , ▁Mississippi , ▁rather ▁than ▁the ▁Sc aled ▁Compos ites ▁facility ▁in ▁M oj ave , ▁California . ▁ ▁On ▁ 1 1 ▁November ▁ 2 0 1 2 , ▁the ▁Fire bird ▁began ▁test ▁fl ights , ▁and ▁production ▁was ▁approved . ▁ ▁Fire bird ▁is ▁planned ▁to ▁have ▁its ▁European ▁debut ▁in ▁the ▁Royal ▁International ▁Air ▁T atto o ▁air ▁show ▁at ▁R AF ▁Fair ford ▁in ▁the ▁United ▁Kingdom ▁in ▁July ▁ 2 0 1 9 . ▁ ▁U . S . ▁service ▁ ▁The ▁first ▁Fire bird s ▁are ▁scheduled ▁to ▁be ▁delivered ▁to ▁an ▁un named ▁U . S . ▁government