A--PROJECT AND ENGINEERING SUPPORT SERVICES

This is a modification to the synopsis entitled PROJECT AND ENGINEERING SUPPORTSERVICES numbered NNA11374362R, posted on September 29, 2011. You are notified that the following changes are made:Synopsis posted on September 29, 2011, entitled PROJECT AND ENGINEERING SUPPORTSERVICES numbered, NNA11374362R is hereby replaced with synopsis posted on January 25,2012, entitled PROJECT AND ENGINEERING SUPPORT SERVICES PESS, numbered NNA12374362-ACR.NNA11374362R will be archived on February 1, 2012. Documents related to this procurement will be available over the Internet. Thesedocuments will reside on a World Wide Web (WWW) server, which may be accessed using a WWWbrowser application. The Internet site, or URL, for the NASA/ARC Business Opportunities home page ishttp://prod.nais.nasa.gov/cgi-bin/eps/bizops.cgi?gr=D&pin=21 Offerors are responsible for monitoring this site for the release of the solicitation andany amendments. Potential offerors are responsible for downloading their own copy of the solicitation andamendments (if any).