I have been playing Co-Op missions but cannot find the objectives. Where are they located?
In Co-Op missions as in Training missions, the objectives appear as the game progresses. To see the list of active objectives, press the G key. There is also a full list of objectives which can be seen by pressing the I button. This list has all of the objectives for the mission so it will not change or be updated as you progress through the mission like the G list.
