So if these have to be completed IN ORDER.... can someone place the outpost st the entrance of the channel and if it's destroyed going in, the attacker does not get stars? If so, something needs to change. The outpost does need to take a beating, but with creativity, I'm sure if this has to be done in order, you may see something like this.
To earn Medals, objectives must be completed in order.
• 1st Star: Destroying 50% of the player’s base.
• 2nd Star: Destroying the player’s Outpost.
Earning 2 Stars constitutes a victory.
• 3rd Star: Destroying 100% of the player’s base.