Yes!!!
Junior Corps - Traditional up to 22 year old Junior Corps, trying to get back to competitive field competition for the summer of 2010. Currently marching winter guard/winter percussion.
Senior Corps - All age (22+) corps, marching competitive season this year.
Alumni Corps - Original Kingmen Alumni, includes many members of the Senior Corp, stand and play events (from my understanding) only
Starcorps - The parent organization that runs Junior/Senior/Alumni Corps