NASCAR driver Dale Earnhardt Jr., right, and IndyCar driver Graham Rahal talk to the soldiers at Camp Atterbury Wednesday, July 23, 2014, in Edinburgh, Indiana. (AP Photo/Darron Cummings)

Troops entertain Junior, Rahal

EDINBURGH, Ind. (AP) — Dale Earnhardt Jr. and Graham Rahal are used to occasional fireworks when drivers get upset at the track.