FLIR Systems Inc., North Billerica, Mass., was awarded a $15,500,000 firm-fixed-price contract.  The award will provide for the necessary services in support of the modification to 60 Army National Guard helicopters.  Work will be performed in Arlington, Va., with an estimated completion date of July 30, 2013.  The bid was solicited through the Internet, with one bid received.  The National Guard Bureau, Arlington, Va., is the contracting activity (W9133L-12-C-0047).