diff --git a/mods/ura/rules/player.yaml b/mods/ura/rules/player.yaml
index 80cdab0..702a1fe 100644
--- a/mods/ura/rules/player.yaml
+++ b/mods/ura/rules/player.yaml
@@ -82,6 +82,8 @@ Player:
 		OnHoldAudio: OnHold
 		CancelledAudio: Cancelled
 		SpectatorUIOrder: 0
+		SpeedUp: True
+		BuildTimeSpeedReduction: 100
 	PlaceBuilding:
 		NewOptionsNotification: NewOptions
 		CannotPlaceNotification: BuildingCannotPlaceAudio
diff --git a/mods/ura/rules/units/aircraft.yaml b/mods/ura/rules/units/aircraft.yaml
index e1ca353..9a2bae9 100644
--- a/mods/ura/rules/units/aircraft.yaml
+++ b/mods/ura/rules/units/aircraft.yaml
@@ -232,7 +232,7 @@ YAK:
 		Queue: Aircraft
 		BuildAtProductionType: Plane
 		BuildPaletteOrder: 30
-		Prerequisites: ~afld, ~techlevel.medium
+		Prerequisites: ~afld, ~techlevel.medium, ~!air1.upgraded2
 		Description: Attack Plane armed with\ndual machine guns.\n  Strong vs Infantry, Light armor\n  Weak vs Tanks, Aircraft
 	Aircraft:
 		CruiseAltitude: 2560
diff --git a/mods/ura/rules/upgrades.yaml b/mods/ura/rules/upgrades.yaml
index 1f1c2f6..59cb7fe 100644
--- a/mods/ura/rules/upgrades.yaml
+++ b/mods/ura/rules/upgrades.yaml
@@ -726,7 +726,7 @@ upgrade.parabomb.speed:
 		Cost: 1000
 	Buildable:
 		BuildPaletteOrder: 100
-		Prerequisites: afld, stek, ~aircraft.soviet, ~techlevel.high, ~!parabombs.upgraded
+		Prerequisites: afld, stek, ~aircraft.ukraine, ~techlevel.high, ~!parabombs.upgraded
 		Queue: Upgrade
 		Description: Enables +15% Speed on\nParabomb Badgers.
 		BuildLimit: 1