Task Force Keystone is a brigade-sized aviation task force comprised of almost entirely National Guard units from 10 states and Soldiers from many others. The largest concentration of units is from the 28th Combat Aviation Brigade, headquartered at Fort Indiantown Gap, Pa.

The task force includes more than 2,500 pilots, mechanics and support personnel such as payroll clerks, cooks, doctors, chaplains and all staff positions necessary to operate as a self-sustaining unit.

Task Force Keystone will provide complete aviation operations to coalition forces in Iraq to include peacekeeping operations and the seamless transfer of security responsibilities to Iraqi security forces during the transition to a safe, secure and independent Iraqi government.

This mission requires the operation and maintenance of the CH-47 Chinook, AH-64 Apache and UH-60 Blackhawk helicopters. Specific missions may include the transportation of troops, ground vehicles, supplies and dignitaries.