diff --git a/hwe/compare/turn_command_trace.php b/hwe/compare/turn_command_trace.php
index 561db106..4f36f84f 100644
--- a/hwe/compare/turn_command_trace.php
+++ b/hwe/compare/turn_command_trace.php
@@ -190,6 +190,7 @@ function comparisonApplyTurnFixtureSetup(mixed $setup): void
             'diplomacyLimit' => 'surlimit',
             'generalCount' => 'gennum',
             'power' => 'power',
+            'capitalRevision' => 'capset',
         ]);
         if (isset($row['meta'])) {
             $data['aux'] = Json::encode($row['meta']);
@@ -205,6 +206,28 @@ function comparisonApplyTurnFixtureSetup(mixed $setup): void
             'aux' => '{}',
         ];
         $db->insertUpdate('nation', $data, $data);
+        if (array_key_exists('turnLastByOfficerLevel', $row)) {
+            $turnLastByOfficerLevel = $row['turnLastByOfficerLevel'];
+            if (!is_array($turnLastByOfficerLevel)) {
+                throw new \InvalidArgumentException('setup.nations.turnLastByOfficerLevel must be an object');
+            }
+            $nationStor = KVStorage::getStorage($db, $row['id'], 'nation_env');
+            foreach ($turnLastByOfficerLevel as $officerLevel => $lastTurn) {
+                $officerLevel = filter_var($officerLevel, FILTER_VALIDATE_INT);
+                if (
+                    $officerLevel === false
+                    || $officerLevel < 5
+                    || $officerLevel > 12
+                    || !is_array($lastTurn)
+                ) {
+                    throw new \InvalidArgumentException(
+                        'setup.nations.turnLastByOfficerLevel requires officer levels 5 through 12'
+                    );
+                }
+                $nationStor->setValue("turn_last_{$officerLevel}", $lastTurn);
+            }
+            $nationStor->resetCache();
+        }
     }
     if (($setup['isolateWorld'] ?? false) === true && ($setup['nations'] ?? []) !== []) {
         $maxNationId = max(array_map(
@@ -393,13 +416,19 @@ function comparisonRunTurnCommand(array $request): array
         \sammo\TextDecoration\SightseeingMessage::setComparisonRng($rng);
     }
 
-    $previousLastTurnRaw = $general->getLastTurn()->toRaw();
     if ($kind === 'general') {
+        $previousLastTurn = $general->getLastTurn();
+        $previousLastTurnRaw = $previousLastTurn->toRaw();
         $command = buildGeneralCommandClass($action, $general, $environment, $args);
         $resultTurn = $turn->processCommand($rng, $command, false);
     } else {
-        $command = buildNationCommandClass($action, $general, $environment, $general->getLastTurn(), $args);
+        $nationStor = KVStorage::getStorage($db, $general->getNationID(), 'nation_env');
+        $lastNationTurnKey = "turn_last_{$general->getVar('officer_level')}";
+        $previousLastTurn = LastTurn::fromRaw($nationStor->getValue($lastNationTurnKey));
+        $previousLastTurnRaw = $previousLastTurn->toRaw();
+        $command = buildNationCommandClass($action, $general, $environment, $previousLastTurn, $args);
         $resultTurn = $turn->processNationCommand($rng, $command);
+        $nationStor->setValue($lastNationTurnKey, $resultTurn->toRaw());
     }
 
     $general->getLogger()->flush();
diff --git a/hwe/compare/turn_state_snapshot.php b/hwe/compare/turn_state_snapshot.php
index 292be75a..bb1c95bb 100644
--- a/hwe/compare/turn_state_snapshot.php
+++ b/hwe/compare/turn_state_snapshot.php
@@ -231,6 +231,7 @@ function comparisonTurnStateSnapshot(array $request): array
                 'power' => 'power',
                 'war' => 'war',
                 'diplomacyLimit' => 'surlimit',
+                'capitalRevision' => 'capset',
                 'meta' => 'aux',
             ],
             ['aux'],