John Lopez of Bristol, Texas, a crew boss for a camp crew at the Nacogdoches site, looks over tents used by U.S. Forest Service workers in the field searching for parts of Columbia. 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.