Edwards Air Force Base features 22 runways, of which four are paved. One of the runways, 04R/22L, is 15,024 feet long and is the 16th longest paved runway in the world. The runway always includes 2,700 m or 9,000 ft of unpaved overrun for a total length of 7,323 m or 24,024 ft. The runway is equipped with arresting equipment on each end. Notable runways on Rogers Lakebed include 17/35 which is 39,097 feet long, 05L/23R (22,175 feet), O5R/23L (14,999 feet). Runways on Rosamond lakebed include 02/20 and 11/29 which are both 20,998 feet long. Runways on both Roger and Rosamond lakebeds are unpaved and not marked on Federal Aviation Administration airport diagram. The lakebeds are necessary landing zones for an emergency landing. here