Tennent Reef Tennent Reef is a rock located in the Spratly Islands that hosts two Vietnamese outposts. Vietnam first took possession of the feature in 1974. U.S. Board of Geographic Names: Tennent ReefChina: Wumie Jiao, 无乜礁Philippines: Lopez-Jaena ReefVietnam: Đá Tiên Nữ Occupied by: VietnamLegal Status: RockGPS: 8° 51' 30" N, 114° 39' 22" E Overview Image Tennent Reef Tennent 1 June 15, 2017 Tennent 2 June 15, 2017 Analysis of Outpost Vietnam Builds Up Its Remote Outposts