HUNTSVILLE, Ala. (AP) — A north Alabama company has won a contract worth as much $51.6 million for work at NASA's Marshall Space Flight Center in Huntsville. The space agency says Analytical Services Inc. will provide strategic research and analysis at Marshall. It will also provide support services for communications at the NASA center. The one-year contract can be lengthened through extensions. ASI is based in Huntsville and has offices in Montgomery, Troy, Mich., and the Washington, D.C., region.