The birth-cry of America's armed forces by W. Thomas Smith Jr. April is a month chocked-full of American military anniversaries: The Continental Navy captured its first enemy warship in April 1776. Marines captured Tripoli, 1805. The Civil War began, 1861. Lee surrendered to Grant, 1865. The Spanish-American war began, 1898. The U.S. declared war on Germany, 1917. Doolittle raided Japan, 1942. American troops landed on Okinawa, 1945. The Bay of Pigs invasion was launched, 1961. The last American Marine left Saigon, 1975. The Air Force raided Libya, 1986. And Baghdad fell to U.S. forces, 2003. All are but a few...