A BUFF lines up for fuel behind a KC-135R Stratotanker belonging to the 100th Air Refueling Wing at RAF Mildenhall, Suffolk, in October 2019.

A 96th BS B-52H - serial 61-0012 (c/n 464439) 'Loko' - prepares to depart Barksdale AFB in support of Exercise Red Flag 20-2 on March 5, 2020.

B-52H - serial 60-0036 (c/n 464401) 'Tagboard Flyer' - assigned to the 419th FLTS at Edwards AFB, California, carries a prototype of the hypersonic-capable AGM-183A ARRW in June 2019. The aircraft's nose art and nickname pay homage to its involvement in the top-secret Tagboard programme that tested the D-21 - a ramjet powered reconnaissance drone which could reach speeds of Mach 3.

Airmen assigned to the 2nd BW welcome the first Stratofortress - serial 60-0025 (c/n 464390) '01' Crow Express II’ - to arrive at RAF Fairford, Gloucestershire, in support of Bomber Task Force Europe 20-1 in October 2019.

Production of the BUFF ended in 1962 and in total, Boeing built 744 examples for the US. In its 68 years of service, that number has now shrunk to 76.

Rolling Thunder! A Stratofortress powers down the runway, departing RAF Fairford to conduct a training sortie over the Black Sea region during Bomber Task Force Europe 20-1 in October 2019.