diff --git a/changelog.md b/changelog.md
index 06e98544..5aab0539 100644
--- a/changelog.md
+++ b/changelog.md
@@ -13,6 +13,7 @@ Saves from 4.0.0 are compatible with 4.1.0.
 ## Features/Improvements
 
 * **[Campaign]** Air defense sites now generate a fixed number of launchers per type.
+* **[Campaign]** Added support for Mariana Islands map.  
 * **[Mission Generation]** Improvements for better support of the Skynet Plugin and long range SAMs are now acting as EWR
 * **[Plugins]** Increased time JTAC Autolase messages stay visible on the UI.
 * **[UI]** Added ability to take notes and have those notes appear as a kneeboard page.
diff --git a/game/theater/conflicttheater.py b/game/theater/conflicttheater.py
index 0d49b1e6..1db5cee5 100644
--- a/game/theater/conflicttheater.py
+++ b/game/theater/conflicttheater.py
@@ -29,6 +29,7 @@ from dcs.terrain import (
     persiangulf,
     syria,
     thechannel,
+    marianaislands,
 )
 from dcs.terrain.terrain import Airport, Terrain
 from dcs.unitgroup import (
@@ -856,3 +857,22 @@ class SyriaTheater(ConflictTheater):
         from .syria import PARAMETERS
 
         return PARAMETERS
+
+
+class MarianaIslandsTheater(ConflictTheater):
+    terrain = marianaislands.MarianaIslands()
+    overview_image = "marianaislands.gif"
+
+    landmap = load_landmap("resources\\marianaislandslandmap.p")
+    daytime_map = {
+        "dawn": (6, 8),
+        "day": (8, 16),
+        "dusk": (16, 18),
+        "night": (0, 5),
+    }
+
+    @property
+    def projection_parameters(self) -> TransverseMercator:
+        from .marianaislands import PARAMETERS
+
+        return PARAMETERS
diff --git a/game/theater/marianaislands.py b/game/theater/marianaislands.py
new file mode 100644
index 00000000..b5ddd5e1
--- /dev/null
+++ b/game/theater/marianaislands.py
@@ -0,0 +1,8 @@
+from game.theater.projections import TransverseMercator
+
+PARAMETERS = TransverseMercator(
+    central_meridian=147,
+    false_easting=238417.99999989968,
+    false_northing=-1491840.000000048,
+    scale_factor=0.9996,
+)
diff --git a/game/version.py b/game/version.py
index bcb8b8cf..c25490e0 100644
--- a/game/version.py
+++ b/game/version.py
@@ -96,4 +96,7 @@ VERSION = _build_version_string()
 #:   mission using map buildings as strike targets must check and potentially recreate
 #:   all those objectives. This definitely affects all Syria campaigns, other maps are
 #:   not yet verified.
-CAMPAIGN_FORMAT_VERSION = (7, 0)
+#:
+#: Version 7.1
+#: * Support for Mariana Islands terrain
+CAMPAIGN_FORMAT_VERSION = (7, 1)
diff --git a/gen/airfields.py b/gen/airfields.py
index 7d499cf1..7998cbf4 100644
--- a/gen/airfields.py
+++ b/gen/airfields.py
@@ -1521,4 +1521,47 @@ AIRFIELD_DATA = {
         runway_length=3953,
         atc=AtcData(MHz(3, 850), MHz(118, 200), MHz(38, 600), MHz(250, 200)),
     ),
+    "Antonio B. Won Pat Intl": AirfieldData(
+        theater="MarianaIslands",
+        icao="PGUM",
+        elevation=255,
+        runway_length=9359,
+        atc=AtcData(MHz(3, 825), MHz(118, 100), MHz(38, 550), MHz(340, 200)),
+        ils={
+            "06": ("IGUM", MHz(110, 30)),
+        },
+    ),
+    "Andersen AFB": AirfieldData(
+        theater="MarianaIslands",
+        icao="PGUA",
+        elevation=545,
+        runway_length=10490,
+        tacan=TacanChannel(54, TacanBand.X),
+        tacan_callsign="UAM",
+        atc=AtcData(MHz(3, 850), MHz(126, 200), MHz(38, 600), MHz(250, 100)),
+    ),
+    "Rota Intl": AirfieldData(
+        theater="MarianaIslands",
+        icao="PGRO",
+        elevation=568,
+        runway_length=6105,
+        atc=AtcData(MHz(3, 750), MHz(123, 600), MHz(38, 400), MHz(250, 0)),
+    ),
+    "Tinian Intl": AirfieldData(
+        theater="MarianaIslands",
+        icao="PGWT",
+        elevation=240,
+        runway_length=7777,
+        atc=AtcData(MHz(3, 800), MHz(123, 650), MHz(38, 500), MHz(250, 50)),
+    ),
+    "Saipan Intl": AirfieldData(
+        theater="MarianaIslands",
+        icao="PGSN",
+        elevation=213,
+        runway_length=7790,
+        atc=AtcData(MHz(3, 775), MHz(125, 700), MHz(38, 450), MHz(256, 900)),
+        ils={
+            "07": ("IGSN", MHz(109, 90)),
+        },
+    ),
 }
diff --git a/qt_ui/uiconstants.py b/qt_ui/uiconstants.py
index e36ffb7e..ad4f26e4 100644
--- a/qt_ui/uiconstants.py
+++ b/qt_ui/uiconstants.py
@@ -68,6 +68,7 @@ def load_icons():
     ICONS["Terrain_Normandy"] = QPixmap("./resources/ui/terrain_normandy.gif")
     ICONS["Terrain_TheChannel"] = QPixmap("./resources/ui/terrain_channel.gif")
     ICONS["Terrain_Syria"] = QPixmap("./resources/ui/terrain_syria.gif")
+    ICONS["Terrain_Mariana"] = QPixmap("./resources/ui/terrain_mariana.gif")
 
     ICONS["Dawn"] = QPixmap("./resources/ui/conditions/timeofday/dawn.png")
     ICONS["Day"] = QPixmap("./resources/ui/conditions/timeofday/day.png")
diff --git a/requirements.txt b/requirements.txt
index 75bf846a..eeed5fc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ pathspec==0.8.1
 pefile==2019.4.18
 Pillow==8.2.0
 pre-commit==2.10.1
--e git://github.com/pydcs/dcs@7dea4f516d943c1f48454a46043b5f38d42a35f0#egg=pydcs
+-e git://github.com/pydcs/dcs@75a8dd35331e8fd337ba05fe950732077433f378#egg=pydcs
 pyinstaller==4.3
 pyinstaller-hooks-contrib==2021.1
 pyparsing==2.4.7
diff --git a/resources/dcs/beacons/marianaislands.json b/resources/dcs/beacons/marianaislands.json
new file mode 100644
index 00000000..da67641b
--- /dev/null
+++ b/resources/dcs/beacons/marianaislands.json
@@ -0,0 +1,135 @@
+[
+ {
+  "name": "MTMACAJNA",
+  "callsign": "AJA",
+  "beacon_type": 9,
+  "hertz": 385000,
+  "channel": null
+ },
+ {
+  "name": "Nimitz",
+  "callsign": "UNZ",
+  "beacon_type": 6,
+  "hertz": 115800000,
+  "channel": 105
+ },
+ {
+  "name": "SAIPAN",
+  "callsign": "SN",
+  "beacon_type": 9,
+  "hertz": 312000,
+  "channel": null
+ },
+ {
+  "name": "ANDERSEN",
+  "callsign": "UAM",
+  "beacon_type": 5,
+  "hertz": null,
+  "channel": 54
+ },
+ {
+  "name": "",
+  "callsign": "IPMY",
+  "beacon_type": 15,
+  "hertz": 110150000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IUAM",
+  "beacon_type": 15,
+  "hertz": 110100000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IYIG",
+  "beacon_type": 15,
+  "hertz": 109350000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IAND",
+  "beacon_type": 15,
+  "hertz": 109300000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IUAM",
+  "beacon_type": 14,
+  "hertz": 110100000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IAND",
+  "beacon_type": 14,
+  "hertz": 109300000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IYIG",
+  "beacon_type": 14,
+  "hertz": 109350000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IPMY",
+  "beacon_type": 14,
+  "hertz": 110150000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IGUM",
+  "beacon_type": 14,
+  "hertz": 110300000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "PGUM",
+  "beacon_type": 15,
+  "hertz": 110300000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IAWD",
+  "beacon_type": 14,
+  "hertz": 110900000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "PGUM",
+  "beacon_type": 15,
+  "hertz": 110900000,
+  "channel": null
+ },
+ {
+  "name": "ROTA",
+  "callsign": "GRO",
+  "beacon_type": 9,
+  "hertz": 332000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "IGSN",
+  "beacon_type": 14,
+  "hertz": 109900000,
+  "channel": null
+ },
+ {
+  "name": "",
+  "callsign": "PGSN",
+  "beacon_type": 15,
+  "hertz": 109900000,
+  "channel": null
+ }
+]
\ No newline at end of file
diff --git a/resources/marianaislandslandmap.p b/resources/marianaislandslandmap.p
new file mode 100644
index 00000000..d11e0368
Binary files /dev/null and b/resources/marianaislandslandmap.p differ
diff --git a/resources/marianasislands.gif b/resources/marianasislands.gif
new file mode 100644
index 00000000..f9217dd4
Binary files /dev/null and b/resources/marianasislands.gif differ
diff --git a/resources/tools/export_coordinates.py b/resources/tools/export_coordinates.py
index d3605238..34006640 100644
--- a/resources/tools/export_coordinates.py
+++ b/resources/tools/export_coordinates.py
@@ -39,6 +39,7 @@ from dcs.terrain.persiangulf import PersianGulf
 from dcs.terrain.syria import Syria
 from dcs.terrain.terrain import Terrain
 from dcs.terrain.thechannel import TheChannel
+from dcs.terrain.marianaislands import MarianaIslands
 from dcs.triggers import TriggerStart
 from pyproj import CRS, Transformer
 
@@ -59,6 +60,7 @@ ARG_TO_TERRAIN_MAP = {
     "persiangulf": PersianGulf(),
     "thechannel": TheChannel(),
     "syria": Syria(),
+    "marianaislands": MarianaIslands(),
 }
 
 # https://gisgeography.com/central-meridian/
@@ -71,6 +73,7 @@ CENTRAL_MERIDIANS = {
     "persiangulf": 57,
     "thechannel": 3,
     "syria": 39,
+    "marianaislands": 147,
 }
 
 
diff --git a/resources/tools/generate_frontlines.py b/resources/tools/generate_frontlines.py
index 46f429fe..ced861c6 100644
--- a/resources/tools/generate_frontlines.py
+++ b/resources/tools/generate_frontlines.py
@@ -5,10 +5,20 @@ import argparse
 from pathlib import Path
 from typing import List, Tuple, Union, Dict
 
-from dcs.terrain import Caucasus, PersianGulf, Syria, Nevada, Normandy, TheChannel
+from dcs.terrain import (
+    Caucasus,
+    PersianGulf,
+    Syria,
+    Nevada,
+    Normandy,
+    TheChannel,
+    MarianaIslands,
+)
 from dcs import Mission
 
-Terrain = Union[Caucasus, PersianGulf, Syria, Nevada, Normandy, TheChannel]
+Terrain = Union[
+    Caucasus, PersianGulf, Syria, Nevada, Normandy, TheChannel, MarianaIslands
+]
 
 SAVE_PATH = Path("resources/frontlines")
 
diff --git a/resources/tools/generate_landmap.py b/resources/tools/generate_landmap.py
index b61bcc80..60f17ad4 100644
--- a/resources/tools/generate_landmap.py
+++ b/resources/tools/generate_landmap.py
@@ -32,7 +32,7 @@ def _geometry_collection_to_multipoly(obj: GeometryCollection) -> MultiPolygon:
     raise RuntimeError(f"Not sure how to convert collection to multipoly: {obj.wkt}")
 
 
-for terrain in ["cau", "nev", "syria", "channel", "normandy", "gulf"]:
+for terrain in ["cau", "nev", "syria", "channel", "normandy", "gulf", "marianaislands"]:
     print("Terrain " + terrain)
     m = Mission()
     m.load_file("./{}_terrain.miz".format(terrain))
diff --git a/resources/tools/marianaislands_terrain.miz b/resources/tools/marianaislands_terrain.miz
new file mode 100644
index 00000000..69690191
Binary files /dev/null and b/resources/tools/marianaislands_terrain.miz differ
diff --git a/resources/ui/terrain_marianas.gif b/resources/ui/terrain_marianas.gif
new file mode 100644
index 00000000..2546cb88
Binary files /dev/null and b/resources/ui/terrain_marianas.gif differ