Dozens of White House officials are also making the trip.
US President Joe Biden will arrive in Belfast tonight ahead of a three-day visit to the island of Ireland.
Air Force One is expected to touch down at Belfast International Airport shortly after 9pm.
Mr Biden will be greeted and welcomed to Northern Ireland by British Prime Minister Rishi Sunak.
The entourage travelling with him will include US Secretary of State Antony Blinken and the recently appointed US Special Economic Envoy to Northern Ireland Joseph Kennedy III.
Dozens of White House officials are also making the trip.
Mr Biden is expected to leave Belfast at around 2pm tomorrow to travel across the border for three days of engagements in Dublin, Louth and Mayo.

Harvey Norman Nationwide Cancer Fundraiser Launched
Operation Against Romance Fraud Network Leads To Arrests In West Dublin
Tánaiste Says Fuel Prices Should Drop Sooner Rather Than Later
Major Garda Crackdown In Place On 'Lucky Dip' Criminal Gang
Fuel Price Protests Enter Second Day with Nationwide Action Planned
Rising Fuel Costs Leads To Slow-Moving Protests Through Kildare
Missing Person Appeal: 17-Year-Old Joshua Treacy Is Missing From Maynooth
Man Due Before Criminal Court This Morning Following Drug Seizure