NHANG aircraft achieves rare accomplishment
A New Hampshire Air National Guard KC-135R Stratotanker, Tail Number 3576, joins the ranks of other outstanding aircraft when it achieved black-letter status March 24, 2015, at Pease Air National Guard Base, N.H. Black-letter status is achieved when a plane has no known discrepancies before flight. (Air National Guard photo by Airman Ashlyn J. Correia/RELEASED)