The Blue Angels are famed for their extreme close formation. In the days when they flew F4s, it wasn't unusual to lose a crew each season. With 12 inches between wingtips, they make other display teams look like tac formation. Red Arrows do their amazing things with nine. P de F and FT do theirs. These guys do astinishingly close formation in operational aircraft.
The Blue Angels - Set to Van Halen's Dreams - YouTube