Description Computer made/mounted on velcro 3.5 inch-90mm 21st CIVIL ENGINEER SQUADRON (USSF) The 21st Civil Engineer Squadron, assigned to Space Launch Delta 1 (SLD 1) stationed at Peterson SFB, CO, provides comprehensive technical engineering and environmental support including contract management and mobile quality assurance to 15 geographically separated units supporting wing missions worldwide and to prepare military personnel for worldwide mobility contingencies, maintain, repair and construct essential facilities and utility infrastructure systems to include electrical power systems, water and natural gas distribution systems and base roads and pavements. Fire protection and prevention, environmental and family housing programs are also managed by the unit.
