Chef Robert Irvine interacts with service members during the United Service Organizations (USO) tour April 1, 2019, at Al Udeid Air Base, Qatar. Irvine challenged a service member to complete push-ups before he could cook a meal during the show. U.S. Air Force Gen. Paul Selva, the Vice Chairman of the Joint Chiefs of Staff, hosted the tour alongside celebrities and performers including celebrities, perfomers and professional athletes.