Following the Lynchburg Regional Air Show incident on May 22, the "Boss" of Blue Angels request that Rear Adm. Bill Sizemore relieve him of his command. The incident occurred, while the diamond formation executes the "Barrel Roll Break" maneuver and went too low at the exit of the maneuver.
Source: http://www.aerobaticteams.net/news/blue ... adron.html