The player's task is to eliminate the four successive waves of different types of attacking craft, while avoiding being hit by missiles and bombs, and then refuel by shooting the 'GS' ship before repeating the process. The player starts with 3 lives and receives a bonus life on reaching a score of 5000.
The mission requires eliminating four successive waves of enemy aircraft, while avoiding being hit by projectiles and then refueling by destroying the 'GS' vessel prior to repeating the process. Initially, the player has 3 lives and receives a bonus life when they reach a score of 5000.