A previous arms deal agreed during Trump’s first term in 2017 between Saudi Arabia and the also promised a big headline figure. At the time, the White House Press Secretary Sean Spicer said the deal included "an immediate $110 billion investment" which would "grow to $350 billion over the next 10 years".

White House officials say President Trump secured $600 billion in investment on his trip to Saudi Arabia but details were vague and some deals were already in the pipeline.