The Bassen Rift is an area of space between Romulus and the Romulan Neutral Zone. A dense nebula field with many greenish-hued cloud formations, passage through the Rift disrupts subspace communications. In 2379, the Bassen Rift was the location of a major conflict between the USS Enterprise-E, assisted by forces of the Romulan Star Empire, against the Reman warbird Scimitar, which was commanded by Shinzon