President Donald Trump is still angling for Canada, home to one of the world's largest economies and boasting a land mass slightly exceeding that of the United States, to become the 51st state − this time offering the northern neighbor inclusion in an ambitious air defense system.

L3Harris stock is rising after the unveiling of the Golden Dome missile-defense shield. Trump wants the dome operational by the end of his term.

President Donald Trump is set to make a new announcement on the path forward for his ambitious and controversial plan for a “Golden Dome” missile-defense shield, people familiar with the matter said.