Day-to-day operations resumed at Mojave Air and Space Port on Friday as state officials arrived to begin their investigation of the explosion that killed three Scaled Composites employees and seriously injured three others. Eric Blackwell, 38, of Randsburg; Charles May, 45, of Mojave; and Todd Ivens, 33, of Tehachapi were killed Thursday during what was described as routine cold-testing of a nitrous oxide propellent system for the company's latest spacecraft, SpaceShipTwo. The names of those hospitalized were not released. "We are doing our best to take care of the families of the deceased as well as the injured and their...