Spent six months on the ground for Tech Order validation (i.e. it was taken apart and put back together so that a workshop manual could be written); first flight 02 Feb 1993 from Palmdale to Edwards AFB, lasting about 2 hours; operational with 420th TS / 412th TW; modified to B-2A-30-NO standard for use as an operational aircraft. Delivered to 509th BW on 23 May 1998 and named Spirit of Mississippi the same day. 19th operational aircraft.