Last year, SpaceX launched two prototype satellites, called Tintin A and Tintin B. The payload on this launch, at more than 30,000 pounds, was the heaviest ever launched by SpaceX, Mr. Musk said. However, they lack a component planned for future versions: lasers that would allow the satellites to relay information to each other. “It will almost seem like spreading a deck of cards on a table,” Mr. Musk said. Mr. Musk sounded a note of caution to tamp down expectations.

Source: New York Times May 24, 2019 00:03 UTC