Ukrainian SU-27s and Alabama Air National Guard F-16s fly in formation during one of the many missions flown in Safe Skies 2011. Safe Skies was a military-to-military exchange between the United States, Ukraine and Poland to protect and manage regional air space and promote air security and stability. Airmen from throughout the U.S., representing the Air Guard in Alabama, California, Massachusetts, Washington and Wisconsin, partnered with Ukrainian and Polish airmen at Mirgorod Air Base, Ukraine, through the National Guard State Partnership Program.