Sign in front of the spacesuit. It read:
Mercury Spacesuit
The "shining armor" of the Mercury astronauts was a modified U.S. Navy MK-IV pressure
suit. Gus Grissom wore this one during the 15-minute suborbital flight
aboard Mercury-Redstone 4 Liberty Bell
7 (July 21, 1961). The MK-IV, with its fiberglass helmet,
protected the astronaut if the Mercury capsule's air escaped into the vacuum of
space.
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