ORLANDO, Fla. — SpaceX got back to expanding its Starlink satellite constellation with another batch launched from Cape Canaveral Space Force Station on Thursday. This marks the 15th Starlink launch of the year, and 50th Starlink launch since the first operational deployment in 2019, with more than 2,700 satellites sent to orbit. A Falcon 9 rocket with 53 of the 570-pound satellites on board lifted off from Space Launch Complex 40 during at 9:11 a.m. The booster on this flight is the second in the company’s fleet to make a record 13th flight, having previously been used on Crew Demo-2, ANASIS-…