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.

L3Harris Technologies shares are rising in extended trading Tuesday after the Trump administration announced plans for a Golden Dome missile defense system that will involve the company's satellites.

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.