The single-award, indefinite-delivery/indefinite-quantity contract contains one base year, a six-month final period and four one-year options, Leidos said Thursday.
Stratcom works with other military commands and government agencies to develop strategies to prevent attacks on U.S. territories and allies.
John Fratamico, a Leidos group president, said the company will work to help Stratcom use tools for strategic war planning.
The company won the contract under the National Target Base/National Desired Ground Zero List Integrated Development System program.
Work will take place in Omaha, Nebraska and in San Diego, Calif.