After appearing only seven weeks ago on the Internet, the Appeal for Redress, brainchild of 29-year-old Navy seaman Jonathan Hutto, has already been signed by nearly 1,000 US soldiers, sailors, Marines and airmen, including dozens of officers--most of whom are on active duty. Not since 1969, when some 1,300 active-duty military personnel signed an open letter in the New York Times opposing the war in Vietnam, has there been such a dramatic barometer of rising military dissent.