diff --git a/clusters/threat-actors.json b/clusters/threat-actors.json
index cd0dc2d..17a7b2e 100644
--- a/clusters/threat-actors.json
+++ b/clusters/threat-actors.json
@@ -202,6 +202,16 @@
         "APT18"
       ]
     },
+    {
+      "value": "Tropic Trooper",
+      "refs": [
+        "http://researchcenter.paloaltonetworks.com/2016/11/unit42-tropic-trooper-targets-taiwanese-government-and-fossil-fuel-provider-with-poison-ivy/",
+        "http://www.trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-operation-tropic-trooper.pdf"
+      ],
+      "synonyms": [
+        "Operation Tropic Trooper"
+      ]
+    },
     {
       "value": "Axiom",
       "refs": [