Booz Allen Hamilton Inc., McLean, Virginia, has been awarded a $20,738,682 modification (P00010) to previously awarded contract (HR0011-16-F-0005) for enterprise support services. The modification brings the total cumulative face value of the contract to $43,537,456 from $22,798,764. Work will be performed in Arlington, Virginia, with an expected completion date of May 22, 2018. Fiscal 2017 research and development funds in the amount of $17,898,924 are being obligated at time of award. The Defense Advanced Research Projects Agency (DARPA), Arlington, Virginia, is the contracting activity.