US Constitution, Amendment XX, Section 3. If, at the time fixed for the beginning of the term of the President, the President elect shall have died, the Vice President elect shall become President....
The newly elected U.S. vice-president is sworm in first, in case the newly elect U.S. President dies. Then the vice-president is sworn in again..this time as U.S. President, e.g., Lyndon Johnson was re-sworn in as U.S.President--aboard Air Force One...replacing the late U.S. President, John F. Kennedy.
The vice president-elect becomes the president if the president-elect dies.
The Vice president rules until another president is elected
The running mate of the president-elect would be elected President if the president-elect were to die before he could take office.
the vice president
If he dies in office, then Dick Cheney becomes President.
The vice president
The Vice President
The vice-president
the vice president.
If both die then the Speaker of the House becomes president
The vice-president becomes the president.
If Obama dies in office, his vice President, Joe Biden, becomes the next President.
President pro tempore of the Senate becomes President.
The Vice President of America.
When the president dies the vice president becomes the president