Aerojet Rocketdyne Holdings Inc., the aerospace company with major operations in Rancho Cordova, is consolidating a variety of different business units into two: space and defense. The defense unit will be based in Huntsville, Ala., and it will include the company's in-house development team Rocket Shop. "There may be a move of a handful of employees from several sites around the company, but we don't anticipate moving a lot of positions," spokesman Glenn Mahone said Monday. Get business...