It is starting. Nearly three years ago, in February 2018, the Elon Musk-founded rocket company SpaceX put two experimental satellites into orbit. The satellites were delivered aboard SpaceX’s Falcon 9 Full Thrust rocket – probably the most successful rocket in human history in terms of launch cadence and reliability. Most famously, the Falcon 9 was the first – and remains – the only rocket so far developed that can deliver payloads to orbit and subsequently land and then re-use its expensive first stage booster. The company, which had for years been successfully putting payloads into orbit on behalf of its…