Another military installation, the Naha Port Facility which belongs to the U.S. Army is located south of Camp Kinser.

It was named for 21 year old Sergeant Elbert L. Kinser, who threw himself on a grenade to protect his fellow Marines at the Battle of Okinawa during World War II, and was posthumously awarded the Medal of Honor.

The USMC Currently, (2024) Controls the Military base, with Co-op From the USAA As of 2013, the U.S has indicated that it wants to return to Camp Kinser also known as the Machinato or Makiminato Service Area to Japan by 2030.

Publicly available U.S. military documents have quoted excerpts suggesting extensive pollution with Vietnam era chemicals stored there, like insecticides including DDT (dichlorodiphenyltrichloroethane) and heavy metals, rodenticides, herbicides, inorganic and organic acids, alkalis, inorganic salts, organic solvents like vapor degreasers and ferric chloride, of which 12.5 tons were buried.

A scholar from Okinawa International University has speculated that "the Pentagon wants to conceal the reality of contamination that would damage the political value of Camp Kinser's return".