Routine Seven

When battling the Mutant Force in New Defenders #125, Iceman called over to Angel, asking if his teammate remembered Routine Seven—an apparent callback to their training as original members of the X-Men. Acknowledging the reference, the high-flying Angel grabbed the villain Shocker by the arms, flew well above the rooftops, and then dropped Shocker, who cried out for HELLLLP! Iceman used his powers to soften the Shocker's fall by catching the defeated villain in a mound of snow.

The X-Men were known for their intense training in the Danger Room, so one can only imagine what other combat routines the mutant heroes had memorized. Were there only seven? Or were there many more?