![1boy 1girl aa_gun aircraft airplane blue_eyes bodysuit breasts cleavage cloud cloudy_sky condensation_trail control_tower dog_tags emblem feet_out_of_frame fighter_jet gloves hair_between_eyes hair_pulled_back headwear_removed helmet helmet_removed highres holding holding_helmet impossible_bodysuit impossible_clothes jacket_over_shoulder jet jet_engine long_hair looking_at_viewer military military_vehicle original oxygen_mask pilot_suit rodway science_fiction shiny shiny_clothes sign skin_tight sky star_(sky) starry_sky traffic_baton twilight unzipped vest walking warning_sign white_hair rating:s score:13 post #3559574](/cdn_image/preview/2c/f9/2cf90ef73bf880babeab4599a9964109.jpg)
A tower for ground-based controllers to direct aircraft on the ground and through controlled airspace, and can provide advisory services to aircraft in non-controlled airspace. The primary purpose is to prevent collisions, organize and expedite the flow of traffic, and provide information and other support for pilots.