"Project ''Bumper''" . . "1948-05-13" . "Bumper-5" . . "Project Bumper" . "8" . "RTV-G-4 Bumper" . "18.8976" . "Bumper-WAC" . . . . . . . . "Bumper" . "SSM-G-13 Hermes A-2" . "Retired" . "1950-07-29" . . . . "SSM-G-16 Hermes A-3B" . . "RTV-G-4 Bumper" . "Bumper 8" . . . "1.524" . "Bumper program" .