A delegation of former U.S. defense officials landed Tuesday afternoon in Taiwan in a sign of stepped-up communication between the sides amid the looming threat from China. Former Chairman of the Joint Chiefs of Staff Mike Mullen is leading the five-person delegation that is scheduled to meet with President Tsai Ing-wen and other top officials during the two-day visit. Mullen and the delegation were greeted at Taipei's Songshan Airport by Taiwan's Minister of Foreign Affairs Joseph Wu, who bumped elbows with the group members. Tsai's office said the delegation had been appointed by President Joe Biden and that the visit would permit “an in-depth exchange of views on Taiwan-U.S. cooperation issues in various fields." Taiwan hopes the sides will “continue to deepen the steady development of Taiwan-U.S. relations, continue to jointly maintain regional peace and stability, and continue to jointly contribute to global peace and prosperity," the office said in a statement.