title: Commercial space race heats up.
authors: Devin
authors: D
authors: Powell
mesh_terms: D018480:Astronauts / Q000639:trends; D002140:California; D018531:Spacecraft / Q000191:economics* / Q000295:instrumentation*; D013672:Technology / Q000191:economics / Q000295:instrumentation; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000191:economics; D014768:Virginia