MCGREGOR, Texas (AP) — An unmanned SpaceX rocket exploded shortly after launch on a test flight at the company's Central Texas development site. A SpaceX statement said nobody was injured in the Friday afternoon explosion at its test site in McGregor, Texas, 23 miles southeast of Waco. In a statement, SpaceX spokesman John Taylor says the test flight involved a three-engine version of its reusable Falcon 9 rocket.Read more on NewsOK.com