The Chase Zeppelin is a small supply airship which features in Wolfenstein (2009) and is used as vehicle reaching for the final level in the game.
Chase Zeppelins are small equipment bearing zeppelins that dock to the Zeppelin, and transfer equipment, technology, containers, supplies, etc. Only one appears in the game, which is in Airfield West. You must board the Chase Zeppelin to gain cessss to the Zeppelin hovering above Isenstadt. Intel can be found about the Chase Zeppelin, as well as posters or diagrams.