For all the attention lavished on flashy new stealth jets and drones, some of the aircraft that performed the most vital tasks during the war with Iran were much older and far less glamorous: the colossal, aging B-52 Stratofortress and the B-1B Lancer, both operating from Royal Air Force Fairford in Gloucestershire, England. If the war has underlined anything, it is that these lumbering Cold War-era workhorses still matter to Washington. In fact…