Veterans confirms this was also the location of water survival training. The PIN was 1271. Crash Boat Station On Lake Texoma's shore. During W.W.II, Perrin Field had crash, or rescue, boats stationed on Lake Texoma, to help fliers who bailed out over the water. This facility was inactivated in 1946.
More information is needed to pinpoint the location.
Perrin Radar Annex Not far from main base, located east of FM 1417. This facility was part of a large system of radar stations guarding our skies against attack during the Cold War. It remained active until Perrin's closure, and is currently owned by a boat repair and salvage company. The PIN was 1273. When bases are selected to close, they are generally placed under the control of an active base.