diff --git a/hwe/compare/turn_command_trace.php b/hwe/compare/turn_command_trace.php
index 4ceef57c..793a3edf 100644
--- a/hwe/compare/turn_command_trace.php
+++ b/hwe/compare/turn_command_trace.php
@@ -517,8 +517,10 @@ function comparisonRunTurnCommand(array $request): array
         throw new \RuntimeException('TURN_DIFFERENTIAL_ENABLED=1 is required');
     }
     $kind = $request['kind'] ?? null;
-    if (!in_array($kind, ['general', 'nation', 'instantNation'], true)) {
-        throw new \InvalidArgumentException('kind must be general, nation, or instantNation');
+    if (!in_array($kind, ['general', 'nation', 'instantNation', 'troopJoinStaticEvent'], true)) {
+        throw new \InvalidArgumentException(
+            'kind must be general, nation, instantNation, or troopJoinStaticEvent',
+        );
     }
     $actorGeneralId = $request['actorGeneralId'] ?? null;
     $action = $request['action'] ?? null;
@@ -557,6 +559,62 @@ function comparisonRunTurnCommand(array $request): array
     $gameStorage = KVStorage::getStorage($db, 'game_env');
     $gameStorage->resetCache();
     $environment = $gameStorage->getAll();
+    if ($kind === 'troopJoinStaticEvent') {
+        if ($action !== \sammo\API\Troop\JoinTroop::class) {
+            throw new \InvalidArgumentException('troopJoinStaticEvent requires the JoinTroop API action');
+        }
+        $troopId = is_array($args) ? ($args['troopID'] ?? null) : null;
+        if (!is_int($troopId) || $troopId < 1) {
+            throw new \InvalidArgumentException('troopJoinStaticEvent requires a positive integer troopID');
+        }
+        $general = GeneralLite::createObjFromDB(
+            $actorGeneralId,
+            ['troop'],
+            Enums\GeneralLiteQueryMode::Lite,
+        );
+        if ($general === null) {
+            throw new \RuntimeException('장수 정보를 불러올 수 없습니다.');
+        }
+        if ($general->getVar('troop') != 0) {
+            throw new \RuntimeException('이미 부대에 소속되어 있습니다.');
+        }
+        $nationId = $general->getNationID();
+        if ($nationId == 0) {
+            throw new \RuntimeException('국가에 소속되어 있지 않습니다.');
+        }
+        $troopExists = $db->queryFirstField(
+            'SELECT `troop_leader` FROM `troop` WHERE `troop_leader` = %i AND `nation` = %i',
+            $troopId,
+            $nationId,
+        );
+        if (!$troopExists) {
+            throw new \RuntimeException('부대가 올바르지 않습니다.');
+        }
+
+        GameConst::$staticEventHandlers = [
+            \sammo\API\Troop\JoinTroop::class => ['event_부대탑승즉시이동'],
+        ];
+        $general->setVar('troop', $troopId);
+        StaticEventHandler::handleEvent($general, null, \sammo\API\Troop\JoinTroop::class, [], $args);
+        $general->applyDB($db);
+        $after = comparisonTurnStateSnapshot($snapshotRequest);
+
+        return [
+            'schemaVersion' => 1,
+            'engine' => 'ref',
+            'execution' => [
+                'kind' => $kind,
+                'actorGeneralId' => $actorGeneralId,
+                'action' => $action,
+                'args' => $args,
+                'seedDomain' => 'none',
+                'outcome' => ['completed' => true],
+            ],
+            'before' => $before,
+            'after' => $after,
+            'rng' => [],
+        ];
+    }
     $general = General::createObjFromDB($actorGeneralId);
     if ($kind === 'instantNation') {
         $command = buildNationCommandClass($action, $general, $environment, new LastTurn(), $args);