The SAC Museum at Ashland will host a celebration from 10 a.m. to 2 p.m. on Saturday, March 11 celebrating Aviation History. The Museum will open a new timeline exhibit of Nebraskans who made significant aerospace contributions. The program commencing at 10:00 a.m. will include a guest speaker featuring accomplishments among Nebraskans, along with musical performances by local high school bands playing music composed by Nebraskans.