Rockwell B-1 Lancer

Aircrew call it the Bone — a phonetic rendering of "B-One" — but the type plate reads Rockwell B-1 Lancer. This four-engine variable-sweep heavy bomber was built around one trick the B-52 couldn't match: fast flight at low altitude. The design began in the 1970s under SAC's AMSA programme as a Mach-2 high-altitude penetrator, was cancelled by President Carter in 1977 in favour of cruise missiles, then resurrected by President Reagan in 1981 as the B-1B — a slower, lower-flying derivative with reduced radar cross-section, intended to slip beneath Soviet air defences. Rockwell (now part of Boeing) delivered 104 aircraft between 1983 and 1988. The USAF took the type into service in 1986, and it remains one of three active U.S. heavy bombers alongside the B-52 and the B-2 Spirit.

That swinging wing is the Lancer's signature, ranging from 15° fully forward (for low-speed handling and short-field takeoff) to 67.5° fully swept (for transonic dash). Combined with terrain-following radar, blended fuselage shaping, and radar-absorbent treatments, the configuration lets the B-1B ingress under 500 ft above the terrain while still pushing Mach 1.25 at altitude. Four General Electric F101-GE-102 augmented turbofans deliver about 30,000 lbf each, lifting a 477,000-lb maximum-takeoff aircraft to a ceiling around 60,000 ft. Three internal weapons bays accept up to 75,000 lb of ordnance — the largest payload of any current USAF bomber, and roughly equal to the B-52H's combined internal-and-external load.

Nuclear duties were retired in the 1990s under the START treaty, leaving the Lancer in an exclusively conventional role. It then became the USAF's heavy-bomber workhorse over Afghanistan, Iraq, Libya, Syria, and the campaign against the Islamic State, where its ability to loiter for hours over a battlefield carrying dozens of AGM-158 JASSM, JDAMs, and 500-lb GBU-54 Laser JDAMs made it the close-air-support platform of choice for ground commanders. In 2018 a B-1B became the first aircraft to demonstrate the in-service AGM-158C LRASM anti-ship cruise missile, opening a new long-range maritime-strike mission.

Fleet retirement began in 2021 to cut sustainment costs and free budget for the B-21 Raider. About 45 airframes remain in service, split between the 28th Bomb Wing at Ellsworth AFB, South Dakota, and the 7th Bomb Wing at Dyess AFB, Texas. Final phase-out is paced against B-21 deliveries through the late 2020s and into the 2030s. Upgrades have continued in parallel: the Sustainment Block programme added Link-16, modern displays, and the integrated weapons interface that lets the bomber drop the full Joint Direct Attack Munition family. Plans to bolt on the AGM-183 ARRW hypersonic weapon and external hardpoints came and went with shifting USAF priorities.

Combat performance has been strong, but the programme's history reads as a cautionary tale of defence-policy indecision: cancelled, restarted, redesigned, fielded, deeply upgraded, and retired across roughly fifty years. Preserved B-1As are on display at the National Museum of the U.S. Air Force in Dayton, Ohio, and retired B-1Bs now sit in long-term storage at the Davis–Monthan boneyard, where some are being scrapped under arms-control protocols.