A-10 Warthog: The Titanium Bathtub, Kim Campbell and the Retirement Fight

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The Fairchild Republic A-10 Thunderbolt II grew out of Vietnam, where the U.S. lost about 266 propeller-driven A-1 Skyraiders, mostly to small arms fire, while the Mach 2 F-4 Phantom was too fast and costly for close air support. Worried that Army attack helicopters such as the AH-1 Cobra and AH-56 Cheyenne would take the mission and its funding, the Air Force launched the A-X program in 1966. The 1970 requirements called for a 460 mph top speed, a 16,000-pound payload, 4,000-foot dirt runways and a design built around a 30mm rotary cannon. In 1973 Fairchild Republic's YA-10 beat Northrop's YA-9.

Fighter pilots initially resisted the slow, radar-less jet, but in the 1991 Gulf War 132 A-10s posted a 95.7 percent mission-capable rate hunting Scud launchers, and Captain Robert Swain shot down an Iraqi helicopter with the gun. Over Baghdad in 2003, Captain Kim Campbell lost all hydraulics and an engine to flak, then flew home for nearly an hour in manual reversion and landed. The record also includes, from 2010 to 2015, involvement in incidents that killed 35 Afghan civilians and 10 U.S. troops in friendly fire. Wing cracks led to Boeing's $1.2 billion wing replacement program, and Congress has repeatedly blocked Air Force efforts to retire the fleet.

• The GAU-8 Avenger is roughly the size of a Volkswagen Beetle, and the nose gear is offset so the firing barrel sits on the centerline.
• A 1,200-pound titanium tub, half an inch to an inch and a half thick, protects the pilot and flight controls from 23mm fire.
• Engines mounted high near the tail avoid ingesting debris, and the tail planes shield their heat from ground-based missiles.
• The A-10C upgrade added glass cockpits, HOTAS controls combining an F-16 stick and F-15 throttle, targeting pods and JDAMs.
• Twelve A-10s deployed in the 2026 Iran War, and new wings could keep the fleet flying to 2035 or even 2040.