The Artemis II is the first crewed lunar flight in over 50 years. Photos show the US' exploration of the moon through history.

The crew of the Artemis II.

CHANDAN KHANNA/AFP/Getty Images

• The Artemis II mission is set to launch on Wednesday.
• It's the first crewed flight to the moon in over 50 years.
• Here's a complete history of the United States' moon exploration.

For the first time in 54 years, American astronauts are heading back to the moon.

The Artemis II is set to launch on April 1, after years of delays and concerns regarding landing sites and the shrinking moon.

Four astronauts will be sent up this time...