Alison Reef Alison Reef is a low-tide elevation located in the Spratly Islands. In addition to the main feature, there are three outposts constructed on the fringing reef. Vietnam first took possession of the feature in 1988. U.S. Board of Geographic Names: Alison ReefChina: Liumen Jiao, 六门礁Philippines: De Jesus ReefVietnam: Bãi Tốc Tan Occupied by: VietnamLegal Status: Low-tide elevationGPS: 8° 48' 6" N, 113° 59' 18" E Overview Images Alison Reef Overview Alison Reef 1 September 26, 2021 September 4, 2016 Alison Reef 2 September 4, 2016 Alison Reef 3 November 16, 2016 Analysis of Outpost Vietnam Builds Up its Remote Outposts Washed Away