title: Sending out an SOS.
authors: David
authors: D
authors: Goldston
mesh_terms: D026683:Advisory Committees; D018480:Astronauts / Q000191:economics / Q000639:trends; D002017:Budgets; D035082:Federal Government; D013026:Space Flight / Q000191:economics* / Q000639:trends*; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000191:economics* / Q000458:organization & administration / Q000639:trends*