From Team Fortress Wiki
The Iron Lung was contributed to the Steam Workshop.
- The Iron Lung was added to the game.
- Updated The Iron Lung.
- Fixed the Iron Lung hiding the Engineer's helmet.
- An iron lung is a device used to help people with various illnesses breathe if their respiratory systems are affected by their illnesses.
- The Iron Lung is a reference to the chest plate from Marvel Comics's superhero Iron Man.