This work is considered secondary-canon. Although it has not yet been removed from the Robotech universe, it is still not considered Primary Canon. See Continuity and Canon in the Robotech Universe.

Oasis was a location on Earth until its destruction in 2017

During the Malcontent Uprisings, a nuke was used to destroy the Oasis, claiming many lives, including the family of Desmond Nobutu. by 2018 the area was a radioactive wasteland that was used as a base for Malcontents. Chodar formed a Zentraedi resistance cell in an unknown date there. When flying near Oasis, Max Sterling's Veritech was shot down by Chodar's group when it was patrolling the area and took Max captive. (Robotech II: The Sentinels: The Malcontent Uprisings: Earthbound)

In September of 2018 2 of the after the fall of the Malcontents, the surviving leaders Jinas Treng and Marla Stenik were tried by the Special War Crimes Tribunal consisting of Exedore, Gretchen Sorenson and Morris Herzog. The tribunal found them guilty and sentenced them to execution by Zentraedi Ritual of Kara-Thun. (Robotech II: The Sentinels: The Malcontent Uprisings: Picking up the Pieces)