US Air Force grounds T-6 II entire fleet of training aircraft

http://www.airforcetimes.com/story/military/tech/2015/04/14/air-force-grounds-t6-fleet-of-training-aircraft/25771765/

http://hosted.ap.org/dynamic/stories/U/US_AIR_FORCE_TRAINING_PLANES_GROUNDED?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT