Cannons?

[intrusivepen]

Having gone through the story of SMG got me thinking about Peach's defenses in case of an airship invasion. Does she have cannons? I know Bowser has plenty, both for cannonballs and bullet bills, but does Peach? Surely spears and magic is not nearly sufficient to defend herself if one day the bros. aren't around?

Any examples of, frankly, any advanced weaponry on Peach's side is warmly welcome.