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.

Several major defense contractors will likely be called on to construct the Golden Dome, though President Trump did not name specific companies in his initial announcement.

U.S. President Donald Trump's Golden Dome missile defense concept revives a controversial, decades-old initiative whose ambitious construction could upend norms in outer space and reshape relations between the world's top space powers.