Lt. Col. Jennifer L. Huyck, a Soldier assigned to the 531st Hospital Center, 3rd Medical Command, prepares a COVID-19 booster shot at Camp Arifjan, Kuwait, on Jan. 20, 2022. Personnel from units assigned across the 1st Theater Sustainment Command’s operational command post worked together to enhance the readiness of more than 1,000 Soldiers, Department of Defense civilians, and contractors.