This airplane is hammering ISIS. So why is the Air Force trying to kill it?

vox.com - 1/27/2015

The A-10 Thunderbolt II, commonly called the Warthog, is a powerhouse of a plane. Boasting a massive ordinance load and one of the most powerful guns ever mounted on an aircraft, it's playing a major role in the US Air Force's bombing campaign against ISIS. Despite its successes in combat, the Air Force wants to put the plane out of commission. The USAF is fighting with Congress to get approval for a plan to retire the aircraft from service — for good.

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