Seal Team Six

US Navy / Chief Intelligence Specialist Louis Fellerman

Washington state senators Wednesday praised Northwest chopper pilots for flying a celebrated mission that no one can confirm they were on. That would be the mission that killed Osama bin Laden.

This much we know: Joint Base Lewis-McChord near Tacoma is home to a battalion of the U.S. Army's "Night Stalkers." That's an elite helicopter unit that flies commando and combat rescue missions.