A division/corps sized garrison associated with what was known then as the Mountain Department.
82nd
Bluebirds are generally colored blue.
US ARMY Army Group Army Corps Division Regiment Battalion Company Platoon Squad
That depends on which division you're referring to - there are several divisons in the US Army, US Army Reserve, and US Army National Guard. The rank typically held by a Division Commander is Major General (two stars).
Many US Army divisions have nicknames. The US Army's 101st Airborne division (which is the division trained for air assault operations) is nicknamed 'The Screaming Eagles'.
Yes, bluebirds sing.
Sympathetic Division.
The motto of First Army Division East is 'Train for Combat'.
82nd
In WWII it belonged to the 26th Yankee Division. Part of the 3 rd Army.
fairy bluebirds are from asia