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.
Launch Viewing. Choose from three launch viewing areas: the LC-39 Observation Gantry or Apollo/Saturn V Center, both located within the secured areas of Kennedy Space Center, and bleacher seating or open lawn viewing area near Space Shuttle Atlantisâ  located at the main Visitor Complex.pollo/Saturn V Center. The Apollo/Saturn V Center is located within Kennedy Space Center and is approximately 6.2 miles from the Cape Canaveral Air Force Station launch pad. The viewing area features an open lawn and bleacher section overlooking the scenic Banana River.