Thanks to a request from GiWeDa, Christian Allen from Red Storm has released a brand new mission for Ghost Recon. This mission was created as part of a training exercise during Christian’s early days at Red Storm. This is the previously unreleased mission referred to in the Advanced Igor Scripting Guide released by Red Storm. Note that this is an unsupported file, do not contact Red Storm about this mission. Discussion about this mission can be found here.
Ghost Recon Retreat have the file available for download here (requires Island Thunder).