Amazon.com took a small step Monday toward its goal of being a global satellite-internet provider that competes with SpaceX’s Starlink and other fleets. Some of the plan’s biggest hurdles aren’t in orbit, but on the ground. Twenty-seven Amazon satellites were launched from the Florida coast to orbit Monday night, a mission handled by rocket company United Launch Alliance. A year and a half ago, ULA sent two prototype satellites for Amazon to space. To compete with established providers, Amazon needs to rapidly manufacture and deploy thousands more satellites on a narrow timeline. It also faces a set of challenges familiar…