“I told Canada, which very much wants to be part of our fabulous Golden Dome System, that it will cost $61 Billion Dollars if they remain a separate, but unequal, Nation, but will cost ZERO DOLLARS if they become our cherished 51st State.”

The “Golden Dome System,” believed to be a reference to an advanced missile defense initiative modeled after Israel’s Iron Dome.

A sweeping network of space-based sensors

Last week, Trump announced that the U.S. has officially selected a design for the missile defense system.

He claimed that the Golden Dome will be operational “by the end of [his] time in office,” and it won’t just cover land and sea. Trump says it will include a sweeping network of space-based sensors and interceptors, giving the U.S