Osan welcomes new MDSS commander

Osan welcomes new MDSS commander

U.S. Air Force Lt. Col. Jacob Williams, right, incoming commander of the 51st Medical Support Squadron, accepts command of the 51st MDSS from Col. Amanda Siangco, 51st Medical Group commander, during a change of command ceremony at Osan Air Base, Republic of Korea, June 22, 2026. A change of command ceremony formally transfers authority and responsibility from one commander to another, ensuring continuity of leadership and mission readiness within the Wing. (U.S. Air Force photo by Staff Sgt. Sarah Williams)

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Osan welcomes new MDSS commander

U.S. Air Force Lt. Col. Joy Spillers, right, outgoing commander of the 51st Medical Support Squadron, relinquishes command of the 51st MDSS to Col. Amanda Siangco, 51st Medical Group commander, during a change of command ceremony at Osan Air Base, Republic of Korea, June 22, 2026. A change of command ceremony formally transfers authority and responsibility from one commander to another, ensuring continuity of leadership and mission readiness within the Wing. (U.S. Air Force photo by Staff Sgt. Sarah Williams)

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Osan welcomes new MDSS commander

U.S. Air Force Lt. Col. Jacob Williams, incoming commander of the 51st Medical Support Squadron, receives his first salute from 51st MDSS Airmen during a change of command ceremony at Osan Air Base, Republic of Korea, June 22, 2026. The first salute is a military tradition that marks the start of a commander's leadership of a unit and symbolizes the trust between a commander and the Airmen they are entrusted to lead. (U.S. Air Force photo by Staff Sgt. Sarah Williams)

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Osan welcomes new MDSS commander

U.S. Air Force Lt. Col. Jacob Williams, incoming commander of the 51st Medical Support Squadron, delivers remarks during a change of command ceremony at Osan Air Base, Republic of Korea, June 22, 2026. The ceremony formally transferred authority and responsibility of the 51st MDSS to Williams. (U.S. Air Force photo by Staff Sgt. Sarah Williams)

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Osan welcomes new MDSS commander

U.S. Air Force Lt. Col. Joy Spillers, outgoing commander of the 51st Medical Support Squadron, renders her final salute to members of the 51st MDSS during a change of command ceremony at Osan Air Base, Republic of Korea, June 22, 2026. The final salute recognizes the outgoing commander's service and marks the conclusion of their leadership of the squadron. (U.S. Air Force photo by Staff Sgt. Sarah Williams)

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Osan welcomes new MDSS commander

U.S. Air Force Lt. Col. Joy Spillers, outgoing commander of the 51st Medical Support Squadron, delivers remarks during a change of command ceremony at Osan Air Base, Republic of Korea, June 22, 2026. The ceremony marked the conclusion of Spiller’s time as commander of the 51st MDSS. (U.S. Air Force photo by Staff Sgt. Sarah Williams)

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OSAN AIR BASE, Republic of Korea -- The 51st Medical Support Squadron welcomed Lt. Col. Jacob Williams as their new commander during a change of command ceremony at Osan Air Base, Republic of Korea, June 22, 2026. A change of command ceremony formally transfers authority and responsibility from one commander to another, ensuring continuity of leadership and mission readiness within the Wing.