As Air Force Chief of Staff General Mark Welsh testified before the Senate Armed Services Committee on March 3, controversy erupted when he mentioned the service's plans to retire the A-10 Thunderbolt II, affectionately known to troops as the "Warthog" and largely regarded as the most effective close air support aircraft in the inventory today.


Capt. Richard Olson, 74th Expeditionary Fighter Squadron A-10 pilot, prepares to take flight at Kandahar Airfield, Afghanistan, Sept. 2, 2011. A-10s can survive direct hits from armor-piecing and high explosive projectiles up to 23mm. (U.S. Air Force photo)

"Every Air Force pilot that I know will tell you that the most effective close air support system is the A-10," McCain said.