Memorandum of Understanding Between the United States of America and the Federal Republic of Germany, Signed at Washington April 27, 1983; and Amending Agreements Signed at Washington and Bonn March 20 and 26, 1986; and Signed at Washington and Bonn March 23 and April 24, 1995; and Signed at Bonn and Washington April 24 and May 14, 1996; and Signed at Washington and Bonn July 10 and August 22, 1996