On Feb. 21, 2013, a formation of six C-130 Hercules from Yokota Air Base, Japan participated in a mission whose aim was to practice large formation airlift tactics and procedures.
In the image below, the aircraft perform a so-called Elephant Walk, taxiing in sequence for the active runway.
The following photograph shows the Hercules airlifters of the 374th Airlift Wing leaving smoke trails in the skies over Yokota.
Image credit: U.S. Air Force
A Yokota based U.S. C-130 was tailed by Chinese J-7 and J-10 fighters as it reached the airspace close to the border between China and Japan on Jan. 10, 2013.