According to the official, all systems worked as planned during the touchdown, including the heat shield and the parachutes.
"This is a defining day. It's one that marks new technology, a whole new breed of astronauts, a vision for the future that captures the DNA of particularly Americans, although we do this as an international venture, and that DNA is: we are adventurers, we are explorers, we always have a frontier," Nelson said in NASA's livestream.
The US seeks to cooperate on the Artemis program with private companies and other countries, Nelson said.
"We don't do it secretively, we do it openly, and we do it with our friends, and we invite all peoples of the world. And we do it also with commercial partners," NASA administration said.
The unmanned Artemis 1 mission is key step toward NASA's goal of crewed lunar flights of the Orion spacecraft, with the first of them, Artemis 2, scheduled to launch in 2024. Artemis 2 is expected to be the first manned lunar mission since Apollo 17 in 1972, which is the most recent time people landed on the Moon.