Leidos Inc., Reston, Virginia, is awarded a $10,197,295 modification under previously awarded cost-plus-award-fee task order N6264518F0620 to exercise Option Period Three for research and development support services designed to examine the effects of deployment and career experiences on the overall physical and mental health of service members and their families for the Naval Health Research Center, San Diego, California. This option brings the total cumulative value of the task order to $31,357,301. Work will be performed in San Diego, California, and is expected to be completed by September 2023. Fiscal 2020 and fiscal 2021 research, development, test and evaluation (Navy) funds in the amount of $10,197,295 will be obligated at time of award and only the fiscal 2020 funding will expire at the end of the current fiscal year. The Naval Medical Logistics Command, Fort Detrick, Maryland, is the contracting activity.