A 1997 Marvel crossover affecting the X-Men titles. Written by Scott Lobdell and Larry Hama with art by Carlos Pacheco and Adam Kubert.
Following the Onslaught saga, Bastion, a human-Sentinel hybrid, orchestrates a government-backed initiative to capture mutants. The storyline spans Uncanny X-Men, X-Men, Wolverine, and Generation X, resulting in the temporary dissolution of the X-Men.