Power of Presence
ROYAL AIR FORCE ALCONBURY, England – Maj. Shawn Kirkpatrick, 423rd Security Forces Squadron commander, presents a promotion certificate to Staff Sgt. Derek Combs, a crew chief with the Air Force Reserve currently assigned to augment the 423rd SFS here as an installation patrolman, during a promotion ceremony April 28. Sergeant Combs’ promotion was effective May 1. He hails from St. Joseph, Mo.