### Clue: Coward's end is elsewhere in conflict at sea (3,3)
### Answer: COD WAR 
 ### Explanation: Definition: conflict at sea
 "Coward" **with its last letter**(…'s end) **moved to the 3rd position**(is elsewhere in).
Answer: Any one in a series of confrontations in the 1950s and 1970s between the UK and Iceland about fishing rights in the North Atlantic.