The Apollo program was a series of crewed space missions undertaken by the United States with the goal of landing humans on the Moon and returning them safely to Earth.

Viking 1 was the first spacecraft to successfully land on Mars and return images and data from the planet's surface.

The Hubble Space Telescope was the first major optical telescope to be placed in orbit around Earth, revolutionizing our understanding of the universe.

New Horizons was the first spacecraft to perform a flyby of Pluto, providing detailed images and data about the dwarf planet.

Expedition 1 was the first long-duration mission to the International Space Station, with a crew of three astronauts living and working on the station for four months.

Both Voyager 1 and Voyager 2 were sent to explore the outer planets of our solar system, providing valuable data and stunning images of these distant worlds.

Venera 7 was the first spacecraft to successfully land on Venus and transmit data back to Earth, providing valuable insights into the planet's harsh conditions.

Mariner 10 was the first spacecraft to orbit Mercury, providing valuable data and images of the planet's surface and environment.

The Parker Solar Probe is a NASA mission that was launched to study the Sun's corona, providing unprecedented data and insights into the Sun's behavior and activity.

The James Webb Space Telescope is a powerful space telescope designed to study the early universe and search for the first galaxies, providing valuable insights into the formation and evolution of the cosmos.

The Cassini-Huygens mission was a joint mission between NASA and the European Space Agency that was sent to study Saturn and its moons, including Titan, providing valuable data and insights into these fascinating celestial bodies.

The Phobos-Grunt mission was a Russian space mission that was intended to study the Martian moon, Phobos, and return samples to Earth, but unfortunately, the mission failed during its launch.

The Galileo mission was a NASA mission that was sent to study Jupiter and its moons, including Europa, providing valuable data and insights into these fascinating celestial bodies.

The Dawn mission was a NASA mission that was sent to study the dwarf planet, Ceres, and the asteroid, Vesta, providing valuable data and insights into these fascinating celestial bodies.