The USAF Thunderbird solo pilots perform a Calypso Pass <-. Major Brian Farrar (#5 Lead Solo), and Major Ed Casey (#6 Opposing Solo).
Some of their maneuvers include both solo aircraft at once, such as mirror formations (two aircraft being flown back-to-back in the calypso pass). [Wiki]
Photo by Bob Nelson on Saturday, July 22, 2006 at the Grand Forks Air Force Base.