After checking further Nasa has added 3 total C-23B,former Arng aircraft to their inventory all were added this month: Nasa 423 N423NA formerly 88-1862 Nasa 428 N428NA formerly 88-1867 Nasa 430 N430NA formerly 88-1864 Michael Sharritt Athens,Alabama 12 Miles Northwest of KHSV Pro-97, Pro-197,Pro-2055,PSR-400