Korean Air announced an order on Monday for 103 Boeing airplanes, coinciding with the visit of South Korean President Lee Jae Myung to Washington, sources told Reuters.

The order, the largest in the Korean air carrier’s history, is expected to include a mix of 787s, 777s and 737 Boeing

airplanes, sources told Reuters earlier.

Boeing Commercial Airplanes CEO Stephanie Pope and Korean Air CEO Cho Won-tae attended an event to unveil the deal with U.S. Commerce Secretary Howard Lutnick.

Reuters first reported the deal earlier.