Combat Mission: Reaching Your "xxxxxx" Clarification

Major_Rampage: You will have to earn that amount on XP in battle in those tanks to get the reward.  If you have already unlocked the next tank in line,  you can go back and play the previous tank to get the reward.   All you need to do in each tank listed is earn the amount of XP required to unlock the next tank.  (Not including upgrading modules,  so you can can free xp your modules if you choose to.)  Play the tank and earn enough XP to unlock the next tank.    Also if you complete all of the Reaching your XXXXXX as you put it you complete the larger mission "On Track to the Jagdpanzer E 100: Completion" which will get you a Pz.Kpfw. S35 739 (f)   I am excited to be able to have the new addition to our On Track Event.  We will have further announcement this weekend with more information about more additions to our "On Track" Events.