In 1959 the U.S. postal service delivered 3,000 letters from Virginia to Florida in 22 minutes via cruise missile. Elon just commented: “What is old will be new again.” The man building reusable rockets and supersonic transport thinks missile mail is back on the table.
What is old will be new againhttps://t.co/NQXY2IqeaG
— Elon Musk (@elonmusk) March 8, 2026