Student launch Initiative Rocket Fair participants display their rockets prior to launch day at the Von Braun Center in Huntsville, Alabama.

Student launch Initiative Rocket Fair participants display their rockets prior to launch day at the Von Braun Center in Huntsville, Alabama.

Student launch Initiative Rocket Fair participants display their rockets prior to launch day at the Von Braun Center in Huntsville, Alabama.

Student launch Initiative Rocket Fair participants display their rockets prior to launch day at the Von Braun Center in Huntsville, Alabama.

Student launch Initiative Rocket Fair participants display their rockets prior to launch day at the Von Braun Center in Huntsville, Alabama.

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama

Student Launch Initiative participants launch their rockets at Bragg Farms in Toney, Alabama