THIS IS A PERFORMANCE BASE TASK ORDER ISSUED ON A COST PLUS FIXED FEE (CPFF) BASIS IN ACCORDANCE WITH THE TERMS AND CONDITIONS OF THE S3 CONTRACT W15P7T-06-D-E407 AND MODFIFICATONS THERE TO. THE S3 RTEP NUMBER ASSOCIATED WITH THIS TASK ORDER IS W909MY-15-R-H007 AND THE TASK TITLE IS "OPERATIONAL, BUSINESS, TECHNICAL AND LOGISTICAL SUPPORT TO THE DEPARTMENT OF DEFENSE, PROJECT MANAGER FOR EXPEDITIONARY ENERGY & SUSTAINMENT SYSTEMS PM E2S2)" THE PERIOD OF PERFORMANCE IS 42 MONTHS, INCLUSIVE OF A 12 MONTH BASE PERIOD, TWO 12 MONTH OPTION PERIODS, AND ONE 6 MONTH OPTION PERIOD.