Britain secured its second consecutive Olympic men's 4x200m freestyle relay title on Tuesday at the Paris Games.
Britain, consisting of James Guy, Tom Dean, Matthew Richards and Duncan Scott led at every turn to finish in six minutes, 59.43 seconds at La Defense Arena.
The United States' squad of Luke Hobson, Carson Foster, Drew Kibler and Kieran Smith took silver, more than a second behind.
Australia's Maximillian Giuliani, Flynn Southam, Elijah Winnington and Thomas Neill claimed bronze.