HANSCOM AIR FORCE BASE, Mass. -- Col. Parker Plante (center), commander of the 66th Medical Group, accepts the command guidon from 66th Air Base Wing Commander Col. Dave ‘Iron’ Orr, as outgoing 66 MDG Commander Col. Jackson Dobbins looks on. The change of command ceremony was held June 17 in the ballroom of the Hanscom Minuteman Club. Colonel Dobbins retired that same day, following 29 years of Air Force service. (USAF Photo/Mark Herlihy)