Joseph Ambrose "Joe" Sestak, Jr. (born December 12, 1951) is a former member of the U.S. House of Representatives

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 who represented from 2007 until 2011. He was the highest ranking military official ever elected to the U.S. Congress. Sestak defeated 30 year incumbent Arlen Specter

Arlen Specter

Arlen Specter is a former United States Senator from Pennsylvania. Specter is a Democrat, but was a Republican from 1965 until switching to the Democratic Party in 2009...

 in the 2010 Pennsylvania Democratic Senate Primary

United States Senate Democratic primary election in Pennsylvania, 2010

The Democratic primary for the 2010 United States Senate election in Pennsylvania took place on May 18, 2010, when Congressman Joe Sestak defeated incumbent Arlen Specter, which led to the end of Specter's five-term Senatorial career...

. He was defeated in the general election by Pat Toomey

Pat Toomey

Patrick Joseph "Pat" Toomey, Sr. is the junior United States Senator for Pennsylvania and a member of the Republican Party. Previously, Toomey served as a U.S. Representative for three terms, but did not seek a fourth in compliance with a pledge he had made while running for office in 1998...

.

A member of the United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 for over 30 years, Sestak is a former three star admiral

Vice admiral (United States)

In the United States Navy, the United States Coast Guard, the United States Public Health Service Commissioned Corps, the National Oceanic and Atmospheric Administration Commissioned Corps, and the United States Maritime Service, vice admiral is a three-star flag officer, with the pay grade of...

 and was also Director for Defense on the National Security Council

United States National Security Council

The White House National Security Council in the United States is the principal forum used by the President of the United States for considering national security and foreign policy matters with his senior national security advisors and Cabinet officials and is part of the Executive Office of the...

 under President

President of the United States

The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

 Bill Clinton

Bill Clinton

William Jefferson "Bill" Clinton is an American politician who served as the 42nd President of the United States from 1993 to 2001. Inaugurated at age 46, he was the third-youngest president. He took office at the end of the Cold War, and was the first president of the baby boomer generation...

.