United States President Donald Trump received a briefing on potential military options for Iran from Navy Admiral Brad Cooper, head of US Central Command (CENTCOM), ABC News reported, citing a person close to the president. Joint Chiefs Chairman General Dan Caine attended the briefing as the president’s top military adviser, a second person familiar with the discussion told the news agency. The briefing, which took place on Thursday, comes amid renewed indirect nuclear negotiations between the US and Iran in Geneva, where delegations from both countries are trying to avert conflict.