L3Harris Technologies, Inc. (NYSE:LHX) rallied by as much as 4% on May 21 as President Donald Trump’s administration announced plans to build the Golden Dome missile defense system that leverages its satellites.

Defense stock L3Harris Technologies ( LHX 0.68%) is getting some positive attention on Wall Street today, after President Trump announced plans yesterday to spend $175 billion to build a Golden Dome missile shield over the United States. Shares of the defense contractor surged nearly 5% at the open, and remain up 1.3% as of 10:15 a.m. ET.

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.