Standard&Poor's Ratings Services has affirmed its long-term 'AAA' rating and Standard&Poor's underlying rating (SPUR) on Huntsville, Ala.'s general obligation debt outstanding. Additionally the city's general obligation warrants series 2010A, 2010B, 2010C, and series 2010D are all assigned a 'AAA' rating. The outlook remains stable. The ratings are based on: A growing service area economy that, despite the recession, has seen some marginal growth and is poised to grow rapidly once the military-related employment begins to ramp up; Above-average wealth and income levels and below-average unemployment rates; Strong growth and a continually diversifying property tax base, coupled with some dependence on the military, aerospace, and electronic industries; Solid financial performance and sound management practices, characterized by operating