HMH 466 Wolfpack (USMC) The HMH 466 Wolfpack is a Marine Corps Helicopter Squadron operating within the United States Marine Corps Aviation branch. This squadron specializes in the vertical flight capabilities of the AH-1Z Viper attack helicopter, a twin-engine variant of the iconic Cobra. The HMH 646 Wolfpack is primarily tasked with providing close air support, armed reconnaissance, and air defense for ground forces. Its operations are often integrated with those of other military branches in various theaters around the world. Established to maintain a high level of readiness and capability, the 466th Wolfpack adheres to the principles of teamwork, adaptability, and professionalism.