4221 Exterior
The U.S. Army Corps Engineers Mobile District constructed Building 4221, a 5-story facility that will serve as the Program Office Administration Building for NASA at the NASA Marshall Space Flight Center in Huntsville, Alabama. The building will house Marshall's Human Exploration Development & Operations Office, its Science & Technology Office and the NASA Engineering & Safety Center, along with others. (NASA photo by Fred Deaton)

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Photo by: Fred Deaton |  VIRIN: 190422-A-CE999-001.JPG