Stacey Plaisance

Associated Press

Employees and contractors watch as the core stage of NASA's Space Launch System rocket, that will be used for the Artemis 1 Mission, is moved to the Pegasus barge, at the NASA Michoud Assembly Facility where it was built, in New Orleans, Wednesday, Jan. 8, 2020. It will be transported to NASA's Stennis Space Center in Mississippi for its green run test.

Rocket Part Ferried on Mississippi

A huge component of a new rocket system was wheeled slowly from a New Orleans spacecraft factory on Wednesday to a barge that will float it up the Mississippi River for testing.

An employee walks up to two of the four rocket engines of NASA's Space Launch System (SLS) as the Artemis 1 rocket core stage is assembled at the NASA Michoud Assembly Center in New Orleans, Monday, Dec. 9, 2019.

Latest Look at New Moon Rocket

The rocket is 212 feet tall and more than 27 feet in diameter.