The United Airforce Overtech Hardware (U.A.O.H. for short) headquarters are located in the Southern Alps of Japan, where the remnants of a lost civilization were discovered. The doors mimic the rock formation until they open.
They are air force fighter jets piloted by UAOH members, including the Ohrangers themselves. Other type of jets were ultilized as well.
The name is unknown to this device but it launches all the mecha, arsenal, and/or other things to the battle field or wherever needed.
The docking bay where the mecha lay dormant until needed. The Ohranger and their seats slide through a ramp to enter their mecha.