diff --git a/megamek/unittests/megamek/server/GameManagerTest.java b/megamek/unittests/megamek/server/GameManagerTest.java
index 9c2b3cd506e..6879dbc1a52 100644
--- a/megamek/unittests/megamek/server/GameManagerTest.java
+++ b/megamek/unittests/megamek/server/GameManagerTest.java
@@ -28,7 +28,7 @@ void setUp() {
     }
 
     @Test
-    void testAddControlWithAdvAtmosphericMergesIntoOneRoll() {
+    void testAddControlWithAdvAtmosphericMergesIntoOneRollAero() {
         AeroSpaceFighter aero = new AeroSpaceFighter();
         game.addEntity(aero);
         Vector<PilotingRollData> rolls = new Vector<>();
@@ -47,7 +47,7 @@ void testAddControlWithAdvAtmosphericMergesIntoOneRoll() {
     }
 
     @Test
-    void testAddControlWithAdvAtmosphericIncludesAllReasons() {
+    void testAddControlWithAdvAtmosphericIncludesAllReasonsAero() {
         AeroSpaceFighter aero = new AeroSpaceFighter();
         game.addEntity(aero);
         Vector<PilotingRollData> rolls = new Vector<>();
@@ -63,4 +63,37 @@ void testAddControlWithAdvAtmosphericIncludesAllReasons() {
         assertTrue(reasons.toString().contains("threshold"));
         assertTrue(reasons.toString().contains("highest damage threshold exceeded"));
     }
+
+    @Test
+    void testAddControlWithAdvAtmosphericMergesIntoOneRollLAM() {
+        LandAirMech mech = new LandAirMech(LandAirMech.GYRO_STANDARD, LandAirMech.COCKPIT_STANDARD, LandAirMech.LAM_STANDARD);
+        game.addEntity(mech);
+        Vector<PilotingRollData> rolls = new Vector<>();
+        StringBuilder reasons = new StringBuilder();
+
+        game.addControlRoll(new PilotingRollData(mech.getId(), 0, "avionics hit"));
+        game.addControlRoll(new PilotingRollData(mech.getId(), 0, "threshold"));
+        game.addControlRoll(new PilotingRollData(mech.getId(), 0, "highest damage threshold exceeded"));
+        gameManager.addControlWithAdvAtmospheric(mech, rolls, reasons);
+        assertEquals(1, rolls.size());
+        assertTrue(reasons.toString().contains("avionics hit"));
+        assertTrue(reasons.toString().contains("threshold"));
+        assertTrue(reasons.toString().contains("highest damage threshold exceeded"));
+    }
+
+    @Test
+    void testAddControlWithAdvAtmosphericIncludesAllReasonsLAM() {
+        LandAirMech mech = new LandAirMech(LandAirMech.GYRO_STANDARD, LandAirMech.COCKPIT_STANDARD, LandAirMech.LAM_STANDARD);
+        game.addEntity(mech);
+        Vector<PilotingRollData> rolls = new Vector<>();
+        StringBuilder reasons = new StringBuilder();
+
+        game.addControlRoll(new PilotingRollData(mech.getId(), 0, "avionics hit"));
+        game.addControlRoll(new PilotingRollData(mech.getId(), 0, "threshold"));
+        game.addControlRoll(new PilotingRollData(mech.getId(), 0, "highest damage threshold exceeded"));
+        gameManager.addControlWithAdvAtmospheric(mech, rolls, reasons);
+        assertTrue(reasons.toString().contains("avionics hit"));
+        assertTrue(reasons.toString().contains("threshold"));
+        assertTrue(reasons.toString().contains("highest damage threshold exceeded"));
+    }
 }
\ No newline at end of file