Ladd Reef Ladd Reef is a low-tide elevation located in the Spratly Islands. In addition to the main feature, there are two outposts constructed on the fringing reef. Vietnam first took possession of the feature in 1988. U.S. Board of Geographic Names: Ladd ReefChina: Riji Jiao, 日积礁Taiwan: Riji Jiao, 日積礁Vietnam: Đá Lát Occupied by: VietnamLegal Status: Low-tide elevationGPS: 8° 39' 56" N, 111° 40' 28" E Overview Images May 4, 2016 February 4, 2014 Ladd Reef 1 May 25, 2020 May 4, 2016 February 4, 2014 Ladd Reef 2 February 4, 2014 Analysis of Outpost Vietnam Builds Up its Remote Outposts