diff --git a/custom-data/airlines.json b/custom-data/airlines.json
index ca5ba14..69b2c03 100644
--- a/custom-data/airlines.json
+++ b/custom-data/airlines.json
@@ -1566,5 +1566,23 @@
     "name": "MADIBA BAY SCHOOL OF FLIGHT",
     "callsign": "ZUFUS",
     "virtual": true
+  },
+  {
+    "icao": "DHS",
+    "name": "US Department of Homeland Security",
+    "callsign": "DHS",
+    "virtual": true
+  },
+  {
+    "icao": "TROY",
+    "name": "US Department of Homeland Security",
+    "callsign": "TROY",
+    "virtual": false
+  },
+  {
+    "icao": "FEMA",
+    "name": "US Federal Emergency Management Agency",
+    "callsign": "FEMA",
+    "virtual": false
   }
 ]