diff --git a/CHANGELOG b/CHANGELOG
index c306222b44..9ab4e9cffa 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,7 @@ NEW:
 	All Mods:
 		An error dialog is now displayed when server connections are lost.
 		Added AttackMove and Guard abilities to Aircraft and Helicopters.
+		Aircraft and Helicopters can now be guarded by other units.
 		Unified the main menu navigation between TD and other mods:
 			Moved Create Game and Direct Connect facilities to the server browser.
 			Added skirmish mode to RA and D2k to complement TD's skirmish mode.
diff --git a/mods/cnc/rules/defaults.yaml b/mods/cnc/rules/defaults.yaml
index e4777efd81..4b04b767bf 100644
--- a/mods/cnc/rules/defaults.yaml
+++ b/mods/cnc/rules/defaults.yaml
@@ -117,6 +117,7 @@
 	CombatDebugOverlay:
 	AttackMove:
 	Guard:
+	Guardable:
 	BodyOrientation:
 	UpdatesPlayerStatistics:
 	Huntable:
diff --git a/mods/ra/rules/defaults.yaml b/mods/ra/rules/defaults.yaml
index 486a910bb3..1d1a9a5894 100644
--- a/mods/ra/rules/defaults.yaml
+++ b/mods/ra/rules/defaults.yaml
@@ -198,6 +198,7 @@
 	HiddenUnderFog:
 	AttackMove:
 	Guard:
+	Guardable:
 	GainsExperience:
 	GivesExperience:
 	DrawLineToTarget: