6+boys aircraft changhe_z-10 cloud cloudy_sky combat_helmet dust goggles grass ground_effect harbin_z-20 helicopter helmet highres lens_flare load_bearing_vest military military_vehicle mountainous_horizon multiple_boys norinco_cq_m311 original people's_liberation_army people's_liberation_army_ground_force plate_carrier red_star shouhui_lang_qun signature sky star_(symbol)