With Lesion acting as mission control under the callsign 'R6 Actual', Eliza 'Ash' Cohen, Mike 'Thatcher' Baker, and Lera 'Finka' Melnikova deployed to the island by replacing a major buyer who was coming to purchase Amber Ruin and met up with Nomad. Lesion contacted Ghost Team Leader Anthony 'Nomad' Perryman and briefed him of the situation. Due to the large number of Sentinel personnel occupying the island, Lesion coordinated with Scott Mitchell to conduct a joint operation with Ghost Recon called Operation Amber Sky to stop all production, identify potential buyers, and create an antidote.

In 2025, Rainbow learned that the private military company Sentinel was mass producing a nerve gas agent called 'Amber Ruin' on the remote island of Auroa with the intention of selling it overseas to foreign militaries and terrorist groups.