Space Gateway Support Security Officer Jeff Ellison signs in a worker at the Nacogdoches site.

Space Gateway Support Security Officer Jeff Ellison signs in a worker at the Nacogdoches site. In the background, NASA site lead Ronnie Lawson (left) speaks with his United Space Alliance counterpart George Odom. Kennedy Space Center workers are participating in the Columbia Recovery efforts at the Lufkin (Texas) Command Center, four field sites in East Texas, and the Barksdale, La., hangar site. KSC is working with representatives from other NASA Centers and with those from a number of federal, state and local agencies in the recovery effort. KSC provides vehicle technical expertise in the field to identify, collect and return Shuttle hardware to KSC.