Battlefield 4: Second Assault

Second Assault is an upcoming expansion pack for Battlefield 4. It was revealed through a gameplay demo of the campaign mission, Angry Sea on June 10, 2013 at the Microsoft E3 Media Briefing. It was announced to be the first expansion to be released and would do so on the Xbox One first. A glimpse of the expansion pack's four maps was shown in the Gamescom 2013 Electronic Arts press conference when the trailer for Battlefield 4 Premium was shown. It was revealed on November 1st, 2013 during a Live event of American vs European players in London on Xbox One, showcasing a redesigned Caspian Border. The expansion pack will bring in four redesigned fan-favorite maps from Battlefield 3 into Battlefield 4.

Maps

 * Caspian Border
 * Gulf of Oman
 * Operation Firestorm
 * Operation Métro