Since Hurricane Katrina made landfill in 2005, NISTAC has given continuous technical and programmatic support to FEMA for the recovery from these hurricanes under consecutive contracts and task orders. NISTAC has deployed wastewater/sanitary engineers, insurance specialists, 406 mitigation specialists, cost estimators, civil engineers, general planners, policy advisors, debris specialists, historic preservation specialists, construction managers, architectural historians, historic architects, National Environmental Policy Act environmental specialists, and project formulation specialists with civil, mechanical, and electrical engineering backgrounds.