The Invasion of Shade's Retribution was a major galactic event during the Judgement Era, which is widely considered the catalyst for the resurrection of the Covenant and the Second Covenant War - ironically largely due to the UNSC's involvement, a point which became a source of tension between the Sangheili and the UNSC for some time, and a large public approval loss for the Spartans, the Office of Naval Intelligence and the UNSC as a whole for a long time to come.