WASHINGTON — NASA has added $250 million to the potential value of an engineering, sciences and technical services contract awarded to Pasadena, Calif.-based Jacobs Engineering Group in 2005.

Originally valued at $542.5 million, the contract is now worth up to $792.5 million, Jacobs announced Aug. 11. Four one-year options stand to keep Jacobs and its subcontractors supporting NASA’s Huntsville, Ala.-based Marshall Space Flight Center through October 2010.

Brian Berger is editor in chief of SpaceNews.com and the SpaceNews magazine. He joined SpaceNews.com in 1998, spending his first decade with the publication covering NASA. His reporting on the 2003 Space Shuttle Columbia accident was...