diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index a2e9b4b7..7904a12f 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -81,7 +81,8 @@ import {
     IVendorPurchaseHistoryEntryClient,
     INemesisDatabase,
     INemesisClient,
-    IInfNode
+    IInfNode,
+    IDiscoveredMarker
 } from "../../types/inventoryTypes/inventoryTypes";
 import { IOid } from "../../types/commonTypes";
 import {
@@ -377,6 +378,14 @@ droneSchema.set("toJSON", {
     }
 });
 
+const discoveredMarkerSchema = new Schema<IDiscoveredMarker>(
+    {
+        tag: String,
+        discoveryState: [Number]
+    },
+    { _id: false }
+);
+
 const challengeProgressSchema = new Schema<IChallengeProgress>(
     {
         Progress: Number,
@@ -1334,7 +1343,7 @@ const inventorySchema = new Schema<IInventoryDatabase, InventoryDocumentProps>(
         ActiveAvatarImageType: { type: String, default: "/Lotus/Types/StoreItems/AvatarImages/AvatarImageDefault" },
 
         // open location store like EidolonPlainsDiscoverable or OrbVallisCaveDiscoverable
-        DiscoveredMarkers: [Schema.Types.Mixed],
+        DiscoveredMarkers: [discoveredMarkerSchema],
         //Open location mission like "JobId" + "StageCompletions"
         CompletedJobs: [Schema.Types.Mixed],
 
diff --git a/src/services/missionInventoryUpdateService.ts b/src/services/missionInventoryUpdateService.ts
index d8b1cc32..ef66afbf 100644
--- a/src/services/missionInventoryUpdateService.ts
+++ b/src/services/missionInventoryUpdateService.ts
@@ -359,6 +359,17 @@ export const addMissionInventoryUpdates = async (
                 }
                 break;
             }
+            case "DiscoveredMarkers": {
+                for (const clientMarker of value) {
+                    const dbMarker = inventory.DiscoveredMarkers.find(x => x.tag == clientMarker.tag);
+                    if (dbMarker) {
+                        dbMarker.discoveryState = clientMarker.discoveryState;
+                    } else {
+                        inventory.DiscoveredMarkers.push(clientMarker);
+                    }
+                }
+                break;
+            }
             default:
                 // Equipment XP updates
                 if (equipmentKeys.includes(key as TEquipmentKey)) {
diff --git a/src/types/requestTypes.ts b/src/types/requestTypes.ts
index b61c99da..25158f20 100644
--- a/src/types/requestTypes.ts
+++ b/src/types/requestTypes.ts
@@ -16,7 +16,8 @@ import {
     IQuestKeyDatabase,
     ILoreFragmentScan,
     IUpgradeClient,
-    ICollectibleEntry
+    ICollectibleEntry,
+    IDiscoveredMarker
 } from "./inventoryTypes/inventoryTypes";
 
 export interface IAffiliationChange {
@@ -106,6 +107,7 @@ export type IMissionInventoryUpdateRequest = {
         NumExtraRewards: number;
         Count: number;
     }[];
+    DiscoveredMarkers?: IDiscoveredMarker[];
 } & {
     [K in TEquipmentKey]?: IEquipmentClient[];
 };