Cannon Base

Cannon Base (キャノベース) is a common EM Virus enemy in the first Mega Man Star Force game, and sometimes is accompanied with Mettennas. They are fixed cannons pointing up. When Mega Man stands in front of them, the Cannon Base will then fire a bomb at him.

Cannon Base family

 * CannonBase - Blue cannon that fires a bomb.
 * MegaBase - Red cannon that fires bombs into a cross pattern.
 * GigaBase - Purple cannon that fires bombs into 3x3 spaces.

Battle Cards
They sometimes give the Battle Card Power Bomb (パワーボム). When Power Bomb is used, the bomb will explode into a cross rather than onto a single space.