While there are different mission types, the objective remains the same for each.
The mission type being a lunar lander with multiple (two) rovers.
In all mission types, the player can also win by annihilating the enemy force.
Most aircraft allocated to the mission type were obsolete.
They come in different varieties to fit the mission type.
The mission types selected affect the plot, the levels played, and the ending received out of ten possibilities.
Each step would need to be completed successfully before the next mission type could begin.
Agent missions are often combined with this mission type.
Instead, the choice of mission type is left to the mission author.
The payload for each aircraft could be fine-tuned by the player according to mission type.