FlightGlobal
　10 March 2020
US Air Force buys two A-29 light attack aircraft for continued experiment
　17 March 2020
US Air Force adds two AT-6 light attack aircraft to continued experiment
ttp://www.flightglobal.com/fixed-wing/us-air-force-buys-two-a-29-light-attack-aircraft-for-continued-experiment/137153.article
ttp://www.flightglobal.com/fixed-wing/us-air-force-adds-two-at-6-light-attack-aircraft-to-continued-experiment/137318.article