Trump received a warm welcome upon his arrival and was greeted by Crown Prince Mohammed bin Salman at the airport. Besides the state honours, the Saudi kingdom also ensured the US President's visit was a memorable one by arranging a mobile McDonald's.

The United States agreed on Tuesday to sell Saudi Arabia an arms package worth nearly $142 billion, according to a White House fact sheet that called it "the largest defense cooperation agreement" Washington has ever done.

Although Trump recently attended the funeral of Pope Francis in Rome, Saudi Arabia was originally intended to be his initial overseas destination, just like in his first term. It served as a gilded debut for a foreign policy focused on securing cash infusions for American businesses.

Global political and business leaders gathered in Riyadh on Tuesday for the Saudi Arabia Investment Forum. President Donald Trump met with Saudi Crown Prince Mohammed bin Salman. Tesla CEO Elon Musk and Amazon CEO Andy Jassy were among the attendees,

The United States and Saudi Arabia have discussed Riyadh's potential purchase of Lockheed's F-35 jets, two sources briefed on discussions told Reuters, referring to a military aircraft that the kingdom has reportedly been interested in for years.

A lunch at the Saudi royal court in Riyadh gave President Donald Trump, Saudi leaders and numerous business executives an opportunity to rub shoulders Tuesday.

President Trump is kicking off his four-day trip to the Middle East with a  meeting with Saudi Crown Prince Mohammed bin Salman in Riyadh. The Morning Joe panel discusses.