Elon Musk: 埃隆马斯克转发了推文： 猎鹰 9 号的第一级已降落在 Just Read the Instructions 无人机上，完成了该助推器的第 12 次发射和着陆

Elon Musk retweeted:

Falcon 9’s first stage has landed on the Just Read the Instructions droneship, completing this booster’s 12th launch and landing