Vesper One is the leader of the Vespers and the Highest Rank in the Vesper Council.
Vesper Two keeps an eye on all the Vespers and their activities on behalf of Vesper One.
Vesper Three is to provide military support. He is also a part-time commander in the German Army.
Vesper Four develops high-tech equipment and weapons.
Vesper Five infiltrates the enemies inner circle personally, and then reports their activity to Vesper One.
Vesper Six is to make sure there is no loose ends after Vespers Operations.