Cliffs of Dover Rock Note: This item is currently in storage. This piece of rock (chalk-calcium carbonate) came from the White Cliffs of Dover in Britain. This item belonged to Col. (Ret.) Robert K. Morgan, who was the pilot of the B-17F Memphis Belle and the B-29 Dauntless Dotty. Col. Morgan served in the U.S. Air Force from 1941 until 1965. Donated by Mrs. Linda Morgan. Click here to return to the Featured Accessions index. Find Out More Related Fact Sheets Boeing B-17F Memphis Belle Note: The appearance of hyperlinks does not constitute endorsement by the National Museum of the USAF, the U.S. Air Force, or the Department of Defense, of the external website, or the information, products or services contained therein.