P E Systems Inc., Fairfax, Virginia, has been awarded a cost-plus-fixed-fee $8,500,000 modification (P00100) to previously awarded contract FA8721-13-C-0029 for advisory and assistance (A&AS) knowledge-based, non-engineering support. Contractor will provide non-personal A&AS support to the program offices and functional staff at Hanscom Air Force Base and its geographically separated units, detachments and operating locations. The contract provides support for development, acquisition, integrations, test, and deployment and sustainment of command, control, communications, computers, intelligence, surveillance, and reconnaissance (C4ISR) enterprise systems in support of research, development and production activities. Work will be performed at Hanscom Air Force Base, Massachusetts; Langley Air Force Base, Virginia; Washington, District of Columbia; and Wright-Patterson Air Force Base, Ohio, and is expected to be complete by Dec. 17, 2015. This contract involves foreign military sales. Fiscal 2013 and 2014 research, development, test and evaluation, other procurement, and operations and maintenance and aircraft maintenance funds in the amount of $3,502,500 are being obligated at the time of award. Air Force Life Cycle Management Center, Hanscom Air Force Base, Massachusetts, is the contracting activity.