In 1949, the "Bumper-WAC" became the first human-made object to enter space.
In the 1940s the US sent fruit flies into space
The first rocket the US sent up into space was the Jupiter C launch vehicle and its payload was Explorer 1 the first American Satellite.
Explorer 1 was the first US object to be launched into Earth Orbit January 31st, 1958.
In 1967, the USSR sent Venera 4 into space to probe the planet Venus. This was followed by Venera 5 in 1969 and Venera 6 in 1969. The US sent the Pioneer Venus 2 to probe Venus in 1978.
Apollo
In the 1940s the US sent fruit flies into space
The first live being sent into space by the USA was a chimpanzee called Hamm.
The first animal sent to Outer space was a dog named Laika.
Alan Shepard
Russia sent a dog before the US sent chimps.
The first rocket the US sent up into space was the Jupiter C launch vehicle and its payload was Explorer 1 the first American Satellite.
The U.S. sent Astronaut Alan Shepard into space on May 5th, 1961. This was 23 days after the Soviet Cosmonaut Yuri Gagarin became the first human in space on April 12th, 1961.
A chimpanzee (monkey)
Alan Shepard Jr.
Explorer 1 was the first US object to be launched into Earth Orbit January 31st, 1958.
John Glenn.
No. The only object in space that people have visited is the moon. The US has, however, sent several robotic rovers to Mars.