A few hours after the assassination, Jacqueline Kennedy and Robert Kennedy get into the Navy ambulance carrying the body of President Kennedy at Andrews Air Force Base, just outside Washington, D.C. From here, the body of President Kennedy was taken to Bethesda Naval Hospital for an immediate autopsy. AFP/Getty ImagesThe emergency room at Parkland Memorial Hospital where President Kennedy was taken after the shooting. August, 1964. Donald Uhrbrock:Time & Life Pictures:Getty ImageCrowds of people wait for news outside Parkland Memorial Hospital, where President Kennedy had been taken following his assassination. Art Rickerby:Time & Life Pictures:Getty ImagesAn unidentified doctor at Parkland Memorial Hospital speaks at a press conference following the assassination of President Kennedy. Art Rickerby:Time & Life Pictures:Getty ImagesThe hearse carrying the body of the president leaves Parkland Memorial Hospital as a crowd of people look on. Art Rickerby:Time & Life Pictures:Getty ImageSecret Service agents and assorted staff carry the president’s casket up the stairs into Air Force One at Love Field Airport. Cecil W. Stoughton:John F. Kennedy Presidential Library and MuseumCecil Stoughton’s iconic photograph of Lyndon B. Johnson being sworn in as U.S. President aboard Air Force One, Love Field, Dallas. Jacqueline (right), still in her blood-soaked clothes (not visible in picture), looks on. WikipediaA Dallas policeman holds up the rifle that Lee Harvey Oswald allegedly used to kill President Kennedy. November 23. Bettmann:Contributor:Getty Image1) Jack Ruby moves into position immediately before fatally shooting alleged President Kennedy assassin Lee Harvey Oswald on live television as police transport him through the basement of Dallas Police headquarters on the way to Dallas County Jail. November 24. Ira Jefferson “Jack” Beers Jr./The Dallas Morning News/Wikimedia CommonsA mortally wounded Lee Harvey Oswald lies on a stretcher on its way toward an ambulance just after he was shot in the basement of Dallas Police headquarters by Jack Ruby. November 24. Three Lions:Getty ImagesDallas Police escort Jack Ruby to jail soon after questioning him in the shooting of alleged President Kennedy assassin Lee Harvey Oswald at Dallas Police headquarters earlier that day. November 24. Bettmann:Contributor:Getty ImageGuards stand in the hallway of Maryland’s Bethesda Naval Hospital, where President Kennedy’s body was prepared for burial. Robert Phillips:The LIFE Images Collection:Getty ImagesFirst Lady Jacqueline Kennedy and her children, Caroline Kennedy and John F. Kennedy, Jr., exit the U.S. Capitol Building where the late President Kennedy lies in state. Walking behind: Patricia Kennedy Lawford (right) and her husband Peter Lawford (left), along with Robert F. Kennedy (center). Washington, D.C. November 24.Abbie Rowe/John F. Kennedy Presidential Library and MuseumJohn F. Kennedy Jr. (who turned three on this day) salutes as the casket of his father as it’s carried out of St. Matthew’s Cathedral in Washington, D.C. while Jacqueline Kennedy and Robert Kennedy stand behind the boy. November 25. GettyPresident Lyndon B. Johnson places a wreath before the flag-draped casket of President Kennedy during funeral services in the Capitol rotunda in Washington, D.C. November 24. National Archives and Records AdministrationSunlight streams through the columns of the The Rotunda of the U.S. Capitol and onto the coffin of the late President Kennedy, lying in state before funeral services. November 24. Bettmann:Contributor: Getty Images