Type 42 destroyer
The Type 42 or Sheffield class, are guided missile destroyer
Guided missile destroyer
A guided missile destroyer is a destroyer designed to launch guided missiles. Many are also equipped to carry out anti-submarine, anti-air, and anti-surface operations. In the U.S...

s used by the British Royal Navy
Royal Navy
The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 and the Argentine Navy
Argentine Navy
The Navy of the Argentine Republic or Armada of the Argentine Republic is the navy of Argentina. It is one of the three branches of the Armed Forces of the Argentine Republic, together with the Army and the Air Force....

. The first ship of the class was ordered in 1968 and launched in 1971, and today three ships remain active in the Royal Navy and one in the Argentinian Navy. Two of the class (
Sheffield and Coventry) were sunk in the Falklands War of 1982.
The class was designed in the late 1960s to provide fleet area air-defence.