While Mitsubishi Estate owns the terminal, it outsources its operation to its subsidiary, Shimojishima Airport Management jointly founded together with Kokuba-Gumi and Sojitz.
[3] From 2001 onwards, the U.S. Marine Corps occasionally used the airport as a stopover point for helicopters and tanker aircraft involved in regional exercises.
In the same year, the then local (Irabu Town) assembly submitted a proposal to the then Defense Agency, requesting that the JASDF take over the airport as one of their bases.
[7] As of early 2013, serious consideration was being given to basing a detachment of JASDF F-15J fighters out of the Airport, in order to provide better air defense coverage over the Senkaku Islands.
This is home to the Shimoji MS (Meteor Sweeper) Squadron, part of an international planetary defence organisation.