Elephant walk (aeronautics)

F-16 Fighting Falcon fighters of the American and South Korean air forces demonstrate an "elephant walk" formation as they taxi down a runway at Kunsan Air Base during an exercise in 2012.
An "Elephant Walk" of eleven C-130 Hercules at Nellis Air Force Base, 2009

An elephant walk is a USAF term for the taxiing of military aircraft right before takeoff, when they are in close formation. Often, it takes place right before a minimum interval takeoff.