Washington (CNN) National security adviser John Bolton headed to London Sunday to start a two-day trip of meeting key players in the new government, marking the highest ranking US official to visit the United Kingdom since Boris Johnson became prime minister.

As President Donald Trump's administration predicts the US and the UK will be more in sync under Johnson -- who has been referred to as the UK's Trump -- than the countries were under former Prime Minister Theresa May, Bolton will explicitly articulate Trump administration policies and identify areas where the nations can work together, particularly when it comes to being tough on Iran and Huawei, a senior administration official explained to reporters traveling with Bolton.

On Monday, Bolton will meet with UK Cabinet Secretary Mark Sedwill, Johnson's senior adviser Edward Lister, new Chancellor of the Exchequer Sajid Javid and Bernard Jenkin, who is a conservative member of the UK Parliament.

On the itinerary for Tuesday: Bolton meets with Secretary of Defense Ben Wallace, International Trade Secretary Liz Truss, Secretary for Exiting the European Union Steven Barclay, Michael Gove, the Chancellor of the Dutchy of Lancaster, MP Bill Cash and Iain Duncan Smith, a former UK government official.

As of now, Bolton will not meet with Johnson -- who was named the UK's new leader on July 23 once May was forced into resigning after losing the support of her Cabinet, many of whom were fed up with her inability to secure the UK's departure from the European Union

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