diff --git a/MultiversalDiplomacy/Adjudicate/MovementPhaseAdjudicator.cs b/MultiversalDiplomacy/Adjudicate/MovementPhaseAdjudicator.cs
index 75bf374..0a3cfcc 100644
--- a/MultiversalDiplomacy/Adjudicate/MovementPhaseAdjudicator.cs
+++ b/MultiversalDiplomacy/Adjudicate/MovementPhaseAdjudicator.cs
@@ -194,6 +194,21 @@ public class MovementPhaseAdjudicator : IPhaseAdjudicator
         // unit can move to the destination.
         List<SupportMoveOrder> supportMoveOrders = unitOrders.OfType<SupportMoveOrder>().ToList();
 
+        // Trivial check: armies cannot move to water and fleets cannot move to land.
+        AdjudicatorHelpers.InvalidateIfNotMatching(
+            order => (order.Target.Type == UnitType.Army && order.Location.Type == LocationType.Land)
+                || (order.Target.Type == UnitType.Fleet && order.Location.Type == LocationType.Water),
+            ValidationReason.IllegalDestinationType,
+            ref supportMoveOrders,
+            ref validationResults);
+
+        // Trivial check: a unit cannot move to where it already is.
+        AdjudicatorHelpers.InvalidateIfNotMatching(
+            order => !(order.Location.Key == order.Target.Location && order.Season == order.Unit.Season),
+            ValidationReason.DestinationMatchesOrigin,
+            ref supportMoveOrders,
+            ref validationResults);
+
         // Support-move orders are invalid if the unit supports a move to any location in its own
         // province.
         AdjudicatorHelpers.InvalidateIfNotMatching(
diff --git a/MultiversalDiplomacyTests/Scripts/DATC/6.A.5.txt b/MultiversalDiplomacyTests/Scripts/DATC/6.A.5.txt
index 807cffe..ce96511 100644
--- a/MultiversalDiplomacyTests/Scripts/DATC/6.A.5.txt
+++ b/MultiversalDiplomacyTests/Scripts/DATC/6.A.5.txt
@@ -1,9 +1,6 @@
 # 6.A.5. TEST CASE, MOVE TO OWN SECTOR WITH CONVOY
 # Moving to the same sector is still illegal with convoy (2023 rulebook, page 7, "Note: An Army can move across water provinces from one coastal province to another...").
 
-# TODO convoy order parsing
-#test:skip
-
 unit England F North Sea
 unit England A Yorkshire
 unit England A Liverpool
diff --git a/MultiversalDiplomacyTests/Scripts/DATC/6.A.7.txt b/MultiversalDiplomacyTests/Scripts/DATC/6.A.7.txt
index 1ec1303..7660e18 100644
--- a/MultiversalDiplomacyTests/Scripts/DATC/6.A.7.txt
+++ b/MultiversalDiplomacyTests/Scripts/DATC/6.A.7.txt
@@ -1,9 +1,6 @@
 # 6.A.7. TEST CASE, ONLY ARMIES CAN BE CONVOYED
 # A fleet cannot be convoyed.
 
-# TODO convoy order parsing
-#test:skip
-
 unit England F London
 unit England F North Sea