Uncanny X-Men Vol.1 #59
With Larry Trask revealed to be a mutant, the Sentinels refuse to obey him any more as they continue to capture mutants and prepare to kill them; Cyclops, Jean and Beast mount an offensive to rescue their captured friends; Cyke, Jean and Hank disguise themselves as Quicksilver, Scarlet Witch and Toad as they battle the Sentinels; Cyclops tricks the Sentinels into flying into the sun; They rescue Havok but he is injured.
Printed: Aug 1969
Writers: Chris Claremont and Roy Thomas
Art: Neal Adams and Tom Palmer
Cover: Neal Adams