After William Stryker killed his family, he started a mission to rid the world of all mutants. Stryker knew he could not do this task on his own, so he traveled around and recruited many mutant hating people to join his mission.

Equipment:

Mutant collars that nullify all Mutant powers, supposedly
Sentinel Drones
Sentinel Robotics

All types of military weaponry

Vibranium-based weapons, Legacy Virus Weapons
Heavily armored and armed exoskeletons, Artillery, Vibranium based arms and ammunition

Gunships, Tanks