This is a livery requested in the forums from MBot. It is a camouflage based on the one USAF uses for its European based jets.
Place the folder inside the game’s installation directory:
\Eagle Dynamics\DCS World\Bazar\Liveries\F-5E-3
It has been tested with DCS v1.5.6
By simply deleting the folders.
This livery comes with custom drop tanks, parachute, pilot helmet, pilot patches and also supports SkateZilla's Wingtip tank mod: