diff --git a/award-definitions/73-on-73.json b/award-definitions/73-on-73.json
new file mode 100644
index 0000000..6f1153a
--- /dev/null
+++ b/award-definitions/73-on-73.json
@@ -0,0 +1,23 @@
+{
+  "id": "73-on-73",
+  "name": "73 on 73",
+  "description": "Confirm 73 unique QSO partners on satellite AO-73",
+  "caption": "Contact and confirm 73 different stations (unique callsigns) via the AO-73 satellite. Each unique callsign confirmed via LoTW counts toward the total of 73.",
+  "category": "satellite",
+  "rules": {
+    "type": "entity",
+    "entityType": "callsign",
+    "target": 73,
+    "displayField": "callsign",
+    "filters": {
+      "operator": "AND",
+      "filters": [
+        {
+          "field": "satName",
+          "operator": "eq",
+          "value": "AO-73"
+        }
+      ]
+    }
+  }
+}
diff --git a/src/backend/services/awards.service.js b/src/backend/services/awards.service.js
index 6b22bdd..0a8c83b 100644
--- a/src/backend/services/awards.service.js
+++ b/src/backend/services/awards.service.js
@@ -32,6 +32,7 @@ function loadAwardDefinitions() {
       'dld-40m.json',
       'dld-cw.json',
       'dld-80m-cw.json',
+      '73-on-73.json',
     ];
 
     for (const file of files) {