Aerospace Corp., El Segundo, California, has been awarded a $1,198,735,079 modification (P00091) to previously awarded contract FA8802-19-C-0001 for systems engineering and integration support for the National Space Community. This modification provides for the exercise of Option Year Four for fiscal 2023 services being procured under the multiple year contract. Work will be performed in El Segundo, California, and is expected to be completed by Sept. 30, 2023. The total cumulative face value of the contract is $5,692,086,730. Space Systems Command, El Segundo, California, is the contracting activity.