The upside down U.S. flag is an official signal of distress. THE FLAG CODE Title 36, U.S.C., Chapter 10 As amended by P.L. 344, 94th Congress Approved July 7, 1976 § 176. (a) The flag should never be displayed with the union down, except as a signal of dire distress in instances of extreme danger to life or property.
((The flags of the Battleship Missouri Memorial in Pearl Harbor are flying at half-mast today to honor the life of Margaret Truman Daniel)) The photos, on the right, show Margaret Truman christening the Mo; and enjoying lunch with a few of the battleship’s sailors in 1947. She recently recalled her memory of the latter. “It was fun. I was the only woman around.” Indeed. http://www.hawaiimagazine.com/blogs/hawaii_today/2008/1/30/USS_Missouri_flags_half_mast_Margaret_Truman