There are six total lessons over 21 total levels for the Commander:
- Officer Mastery I -- Levels 70-73
- More potent artillery weaponry is now available for your command. Calling in a bombardment will destroy most lesser opponents.
- Officer Mastery II -- Levels 74-77
- A new high explosive charge is now available for your requisition.
- Officer Mastery III -- Levels 78-81
- Sniping tactics are very effective when stealth and a quick retreat are needed.
- Officer Mastery IV -- Levels 82-85
- Your vast expertise has taught you to carefully maintain your reserves allowing you a second chance in situations where opponents may have though you were finished.
- Officer Mastery V -- Levels 86-89
- You have achieved the authority to request support from orbital installations.
- Master Officer -- Level 90
- You have perfected your sniping tactics and can hit targets with a precision others can only dream of.