NASA intends to issue a sole source contract to AI SIGNAL RESEARCH INC for a PC Signal Annual Renewal. The performance of services will be located at NASA's Marshall Space Flight Center (MSFC). While the notice is for a sole source action, interested organizations may submit their capabilities in writing for consideration, though a competitive procurement is not guaranteed. The government will acquire commercial items and services under specific FAR provisions. This summary is for a prospective bidder to assess their interest.