Complex sentence: They fly the UH-60 Black Hawk, CH-47 Chinook and the UH-1H Huey and are home based out of Buckley AFB, Colorado, where they are part of the Colorado Army National Guard Aviation Command.
Split into simpler sentences: They fly the UH-60 Black Hawk, CH-47 Chinook and, when home-based in Colorado, the UH-1H Huey. They are home based out of Buckley AFB, Colorado, as part of the Colorado Army National Guard Aviation Command.