It remains available as an emergency landing field. Beaufort County is one of the proposed sites for a Navy outlying landing field. Washington County is one of the proposed sites for a Navy outlying landing field. It was also used as an auxiliary landing field. The airfield also served as an emergency landing field. Rutan made three low passes over the landing field before putting Voyager down. The area of the landing field was then 3,540 feet by 2,700 feet. A relief landing field was located at Whitby. An improvement in the landing field was the introduction of grooves in the concrete surface. McCalla Field was designated as the auxiliary landing field in 1970. An aviation landing field was added a year later. Five campgrounds, restrooms, an airplane landing field and picnic facilities were also built. At 7&colon;11, it turned back toward the landing field and valved gas. Mojave was reactivated as an auxiliary landing field to MCAS El Toro. In June 1948, Mayport was reestablished as a naval outlying landing field.