diff --git a/resources/factions/iran_1988.json b/resources/factions/iran_1988.json
index 6de4ed3f..42bb39e6 100644
--- a/resources/factions/iran_1988.json
+++ b/resources/factions/iran_1988.json
@@ -20,7 +20,7 @@
     "IL-78M"
   ],
   "frontline_units": [
-    "A22 Infantry Tank MK IV Churchill VII",
+    "Chieftain Mk.3",
     "BMP-1",
     "BTR-80",
     "M113",
diff --git a/resources/factions/iran_2015.json b/resources/factions/iran_2015.json
index a70ee7ee..00873004 100644
--- a/resources/factions/iran_2015.json
+++ b/resources/factions/iran_2015.json
@@ -26,7 +26,7 @@
     "IL-78M"
   ],
   "frontline_units": [
-    "A22 Infantry Tank MK IV Churchill VII",
+    "Chieftain Mk.3",
     "BMP-1",
     "BTR-80",
     "M113",
diff --git a/resources/factions/iraq_1991.json b/resources/factions/iraq_1991.json
index 5800e61d..3db2d0da 100644
--- a/resources/factions/iraq_1991.json
+++ b/resources/factions/iraq_1991.json
@@ -26,7 +26,7 @@
   ],
   "frontline_units": [
     "2S1 Gvozdika",
-    "A22 Infantry Tank MK IV Churchill VII",
+    "Chieftain Mk.3",
     "BMP-1",
     "BRDM-2",
     "BTR-80",
diff --git a/resources/factions/uk_1990.json b/resources/factions/uk_1990.json
index 9d896285..bed8658e 100644
--- a/resources/factions/uk_1990.json
+++ b/resources/factions/uk_1990.json
@@ -21,7 +21,7 @@
     "KC-135 Stratotanker"
   ],
   "frontline_units": [
-    "A22 Infantry Tank MK IV Churchill VII",
+    "Chieftain Mk.3",
     "FV4034 Challenger 2",
     "FV510 Warrior",
     "M1043 HMMWV (M2 HMG)",
diff --git a/resources/units/ground_units/Chieftain_mk3.yaml b/resources/units/ground_units/Chieftain_mk3.yaml
index a2945dac..a464c6f8 100644
--- a/resources/units/ground_units/Chieftain_mk3.yaml
+++ b/resources/units/ground_units/Chieftain_mk3.yaml
@@ -1,5 +1,6 @@
 class: Tank
-description: The FV4201 Chieftain was the main battle tank of the United Kingdom during
+description:
+  The FV4201 Chieftain was the main battle tank of the United Kingdom during
   the 1960s, 1970s and 1980s.
 introduced: 1966
 manufacturer: Leyland Motors
@@ -7,4 +8,4 @@ origin: UK
 price: 20
 role: Main Battle Tank
 variants:
-  A22 Infantry Tank MK IV Churchill VII: {}
+  Chieftain Mk.3: {}