Keywords: Mercury-Redstone 4 Spacesuit.jpg Modified US Navy MK-IV pressure suit worn by Gus Grissom during his 15-minute suborbital flight aboard Mercury-Redstone 4 Liberty Bell 7 July 21 1961 On display at the en Astronaut Hall of Fame en Titusville en Florida September 21 2007 en wikipedia 2007-10-02 Fl295 wikipedia en Fl295 original upload log page en wikipedia Mercury-Redstone_4_Spacesuit jpg 2007-10-02 14 33 Fl295 576×768×8 77249 bytes <nowiki>Modified US Navy MK-IV pressure suit worn by Gus Grissom during his 15-minute suborbital flight aboard Mercury-Redstone 4 Liberty Bell 7 July 21 1961 On display at the Astronaut Hall of Fame Titusville Florida September 21 2007 </nowiki> Astronaut Hall of Fame Gus Grissom Mercury Spacesuit |