In first, MDA remotely launches a missile | Defense News

The first test to remotely fire an interceptor missile was a success.  The test demonstrated capabilities to detect, track and engage a low-flying threat at a distance that exceeds the range of the current Patriot system.

Source: https://www.defensenews.com/land/2019/08/30/first-remotely-launched-terminal-missile-defense-test-deemed-a-success/