New generation military aircraft such as the YU-20 aerial tanker and J-16 fighter jets have been deployed in the China-Russia joint aerial strategic patrol, said Senior Colonel Shen Jinke, a spokesperson for the PLA Air Force, in response to a question from the Global Times concerning the YU-20 s flight path at a press conference for the PLA Air Force s open day event in Changchun, Northeast China s Jilin Province on Sunday.