A US congressional committee has cast doubt on Donald Trump’s “Golden Fleet” programme, warning it could overwhelm already strained nuclear-powered shipbuilding capacity and calling for a detailed review of its centrepiece battleship. One lawmaker also warned of the vulnerability of battleships in modern maritime warfare, citing the capabilities of the People’s Liberation Army’s Dongfeng missile series, which includes the DF-21D ballistic missile – widely dubbed a “carrier killer”. The...