USAF's Youngest B-52 Now 50 Years Old

USAF's Youngest B-52 Now 50 Years Old:
The US Air Force's fleet of B-52 bombers soldiers on, showing no signs of retiring in the near future. The youngest aircraft, the last to leave the production line, tail# 61-0040, is now 50 years old, and based at Minot AFB, North Dakota. Of 744 B-52's built, around 75 'H' models remain in service, with some expected to last until 2040, when they will be an incredible 80 years old !