Close air support planes are the guardian angels of American ground troops, pro-tecting soldiers with precision firepower. We look at the military's greatest fighters, bombers, and attack aircraft over the last 60 years, from the AV-8B Harrier, the world's most famous vertical/short takeoff and landing fighter jet, to the B-52 Stratofortress, the Air Force's go-to bomber, to the A-10 Thunderbolt, aka, the "Warthog." We also look back on some of the most thrilling gunship missions, saving lives and winning wars in hotspots across the globe.