IOS honor roll recognizes accomplishments of alumni
Left, Maj. Gen. Constantin Veselinov Popov, commander of the Bulgarian Air Force and Air War College graduate from 2000, signs a memory book as part of the Honor Roll at the International Officer School Wednesday. Popov was among the 19 selectees inducted this year. The award highlights partnerships between the U.S. and other nations, as well as the accomplishments of the honorees, who have attained the military or civilian rank of chief of staff or higher. (Air Force photo/Chris Baldwin)