Volguard II (ヴォルガード２ Vorugado) is a Nintendo Family Computer and Virtual Console video game that is exclusive to Japan. The original manufacturer's suggested retail price of the game was 4,900 yen (approximately $30 USD). This game is a sequel to the original Volguard for the MSX despite there being no real connection to that title.
The player controls some kind of pilot who is trying to defend the Earth from an evil nation's global revolution sometime in the year 20XX. Given the assignment, the overall purpose of the game is inflitrate their base and take out their defenses and army, and then kill their leader. Enemies include a series of battle stations, various groups of aircraft, barriers, cargo planes, mechs, and other assorted enemies. Volguard II was a modified high-mobility combat mecha developed by the distant ancestors.
Source: Wikipedia, "Volguard II", available under the CC-BY-SA License.