WASHINGTON, May 10 -- NASA issued the following news release: NASA has awarded a contract to Harris Miller Miller & Hanson Inc. of Burlington, Massachusetts, to support a national campaign of community overflight tests using the agency's X-59 Quiet SuperSonic Technology research aircraft. This cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract has a maximum potential value of approximately $29 million with an eight-year period of performance. Significant subcontractors incl  more