I sent you an invite to join the SNA. Once you accept the invite you'll be a member of the SNA.
The SNA has three teams: Gold, Silver, and Bronze. The Gold Team is the main match team that plays most of the alliance matches. Silver Team plays against other second tier teams. Bronze Team only practices against other teams.
Gold and Silver Teams will play the official alliance tournament, depending on the roster the Bronze Team may play in it as well.
If you have Skype, tell me your handle and I'll add you to the Silver Naval Academy group.