Some aircraft refuse to retire. Across the United States, a handful of Air Force bases still operate planes designed in the 1950s — and in one case, a bomber expected to serve into the 2050s. For aviation enthusiasts, these installations are living museums with active runways.

Barksdale Air Force Base in Louisiana is arguably the standout. B-52 Stratofortresses first arrived there on 14 August 1958, and the base's 2nd Bomb Wing still flies them today. The B-52 is the longest-serving bomber in the US arsenal, and a $2 billion modernization programme — new Rolls-Royce F130 engines plus Raytheon's AESA radar — should keep the type flying for decades yet. The base hosts around 5,000 active-duty personnel and has seen its bombers deploy from Vietnam-era operations through to Desert Storm and beyond.

Out west, Fairchild AFB near Spokane, Washington, is inseparable from the KC-135 Stratotanker. The base itself has a charming origin story: local citizens raised $125,000 in under a week to buy 1,400 acres and gifted the land to the War Department in 1942. Today the 92nd Air Refueling Wing maintains 68 KC-135 R/Ts, part of a 396-airframe fleet slowly being replaced by the KC-46 Pegasus after nearly 70 years of aerial refuelling service.

In Texas, Laughlin AFB near Del Rio trains future fighter and bomber pilots on the Northrop T-38 Talon, which first flew in 1959. The 47th Flying Training Wing has graduated more than 15,000 pilots since 1972, many of whom go on to fly the F-15, F-16, F-22 and B-1B. The Talon's successor, the Boeing/Saab T-7A Redhawk, is on the way — Laughlin is one of five bases slated to receive it.

Nebraska's Offutt AFB, built on a frontier fort called Fort Crook, houses the USAF's entire fleet of 17 RC-135 Rivet Joint intelligence aircraft under the massive 55th Wing. Rivet Joint has been on duty since 1964, with a near-constant forward presence in Southwest Asia since the early 1990s.

Finally, Beale AFB in California keeps the Lockheed U-2 Dragon Lady aloft. Named not for an aviator but for a 19th-century pioneer who once experimented with replacing Army mules with camels, Beale has hosted the U-2 since 1976, when it shared hangars with the SR-71 Blackbird. Designed in 1956 to spy on the Soviet Union, the U-2 still flies reconnaissance missions today.

Why care? For plane-spotters and military aviation travellers, these bases represent a rare chance to see seven-decade-old airframes still earning their keep. Many host airshows and open houses, and nearby communities like Spokane, Del Rio and Shreveport make easy trip anchors. Fairchild, for one, sits amid Washington's scenic Palouse country — a surprisingly good pairing of aviation history and open-road driving.

Simple Flying