John F. Kennedy assassination rifle HSCA tests proved conclusively that the claim was not accurate. In 1972 the Kennedy family chose John K. Lattimer, MD as the first nongovernmental expert to examine evidence taken at Kennedy's autopsy. Lattimer performed ballistic tests and other research to prove that Lee Harvey Oswald was likely the sniper who shot and killed President John F. Kennedy from the Texas School Book Depository in Dallas. Dr. Lattimer frequently performed a demonstration of Oswald's shooting, firing three well-aimed shots within 8.3 seconds with Carcano M91/38 and under the same firing conditions. By doing so Dr. Lattimer intended to prove that Oswald
USS John F. Kennedy (CVN-79) President of the United States, who served in the navy during World War II. She will be the third navy ship named after members of the Kennedy family, and the second aircraft carrier named "John F. Kennedy", succeeding , which served from 1968 to 2007. On 15 January 2009, Huntington Ingalls Industries (HII) Northrop Grumman Shipbuilding was awarded a $374 million contract for design work and construction preparation for "John F. Kennedy". On 30 September 2010, Northrop Grumman announced that preparations were under way to begin construction. On 25 February 2011, the Navy conducted the First Cut of Steel ceremony