The SpaceX Falcon 9 rocket's first stage that launched the historic Demo-2 mission to the International Space Station was reused for South Korea's Anasis-II mission. It safely landed on the “Just Read the Instructions” droneship in the Atlantic Ocean shortly after launch on July 20, 2020. -- SpaceX launches South Korea's 1st military satellite, nails rocket landing at sea: (https://www.space.com/spacex-launches-south-korean-military-satellite-anasis-2-lands-rocket.html)

Credit: SpaceX