Barrett's esophagus refers to an abnormal change in the cells of the lower portion of the esophagus. It is characterized by the replacement of the normal stratified squamous epithelium lining of the esophagus by simple columnar epithelium with goblet cells (which are usually found lower in the gastrointestinal tract).
U.S. Space Camp is a camp and related programs owned and operated by the Alabama Space Science Exhibit Commission's U.S. Space & Rocket Center in Huntsville, Alabama.
The Cape Canaveral Air Force Station located adjacent to the Kennedy Space Center is the current home for all rocket launches in Florida. While most rocket launches are visible throughout the area, certain locations provide the best view of the launches. Visitors planning to watch a launch from one of these locations must arrive early as popular sites often fill up in advance of the scheduled launch time.