DPRK media reported that Kim Jong Un visited the construction of a terminal at Pyongyang Airport. Attending the visit were Hwang Pyong So, Ri Pyong Chol and Ma Won Chun.
Hwang Pyong So is the director of the Political Bureau of the KPA
Ri Pyong Chol (circled in green in the below picture) is responsible for the air forces of the KPA
Ma Won Chun is a construction director in the National Defence Commission.
The former airport of Pyongyang (source: nkreports.wordpress.com)