Raytheon Co. (Raytheon) Space and Airborne Systems (SAS), San Diego, California, is being awarded a single award with a contract ceiling of $9,607,811 for an indefinite-delivery/indefinite-quantity contract for Multi-Spectral Targeting System (MTS) sensor support.  Raytheon will provide subject matter expertise as a member of a government-led sensor development and demonstration team and will provide research, development, fielding and test support, operations, maintenance, and as-needed repairs on the government-owned MTS-class sensors.  Raytheon is the sole designer, developer, and manufacturer of the MTS-class sensor. Work will be performed at El Segundo and San Diego, California. The ordering period and the period of performance is five years from the date of award. The first task order will be awarded at the same time the basic contract is awarded. Fiscal 2018 research, development, test and evaluation funds in the amount of $1,299,520 for the first task order is being obligated at time of award. The award to Raytheon SAS is the result of a proposal submitted in response to a sole-source solicitation (HQ0147-18-R-0013) one offer was received.  The Missile Defense Agency, Redstone Arsenal, Alabama, is the contracting activity. (HQ0147-19-D-0013).