Your aircraft is a sleek jet that travels to five different time eras which each have different enemies. The time periods are as follows:
1910 biplanes and a blimp
1940 WWII monoplanes and a B-25
1970 helicopters
1982 or 1983 the year varies between ROM versions jet planes and a B-52
2001 UFOs.
In the first four eras, the background setting is the sky with clouds but in the fifth era the background is space with asteroids.
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