DPRK's leader Kim Jong-un (3rd left) and his wife Ri Sol-ju (2nd left) look on during a visit to Unit 1017 of the Korean People's Army (KPA) Air and Anti-Air Force, honoured with the title of O Jung Hup-led 7th Regiment, in this undated picture released by DPRK's Korean Central News Agency (KCNA) on June 21, 2013.[Photo/Agencies]