diff --git a/.gitmodules b/.gitmodules
index 7549ca3..41c1beb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,15 @@
 [submodule "submodules/SHiELD_SRC/atmos_drivers"]
 	path = submodules/SHiELD_SRC/atmos_drivers
 	url = https://github.com/NOAA-GFDL/atmos_drivers.git
+[submodule "submodules/SHiELD_SRC/ocean_null"]
+	path = submodules/SHiELD_SRC/ocean_null
+	url = https://github.com/NOAA-GFDL/ocean_null.git
+[submodule "submodules/SHiELD_SRC/land_null"]
+	path = submodules/SHiELD_SRC/land_null
+	url = https://github.com/NOAA-GFDL/land_null.git
+[submodule "submodules/SHiELD_SRC/ice_null"]
+	path = submodules/SHiELD_SRC/ice_null
+	url = https://github.com/NOAA-GFDL/ice_null.git
+[submodule "submodules/SHiELD_SRC/ice_param"]
+	path = submodules/SHiELD_SRC/ice_param
+	url = https://github.com/NOAA-GFDL/ice_param.git
diff --git a/submodules/SHiELD_SRC/FMS b/submodules/SHiELD_SRC/FMS
index 96e97c0..5b75900 160000
--- a/submodules/SHiELD_SRC/FMS
+++ b/submodules/SHiELD_SRC/FMS
@@ -1 +1 @@
-Subproject commit 96e97c0e271167dd42700b5ed28fb1fe85d7ecce
+Subproject commit 5b75900354a8870d70b28e02bfc74a15f8b08449
diff --git a/submodules/SHiELD_SRC/FMSCoupler b/submodules/SHiELD_SRC/FMSCoupler
index ca85e56..37c09ac 160000
--- a/submodules/SHiELD_SRC/FMSCoupler
+++ b/submodules/SHiELD_SRC/FMSCoupler
@@ -1 +1 @@
-Subproject commit ca85e563d8755ef83c2c1874519b2a111d431347
+Subproject commit 37c09ac8673ac19d3c37d8f6115ed638fb63a69a
diff --git a/submodules/SHiELD_SRC/GFDL_atmos_cubed_sphere b/submodules/SHiELD_SRC/GFDL_atmos_cubed_sphere
index fbf1a59..1ab589c 160000
--- a/submodules/SHiELD_SRC/GFDL_atmos_cubed_sphere
+++ b/submodules/SHiELD_SRC/GFDL_atmos_cubed_sphere
@@ -1 +1 @@
-Subproject commit fbf1a59df0c5816027f246acad5178d48812dc54
+Subproject commit 1ab589c5d0d49c7ea245abea8893bd13c937617c
diff --git a/submodules/SHiELD_SRC/SHiELD_physics b/submodules/SHiELD_SRC/SHiELD_physics
index d323480..1724728 160000
--- a/submodules/SHiELD_SRC/SHiELD_physics
+++ b/submodules/SHiELD_SRC/SHiELD_physics
@@ -1 +1 @@
-Subproject commit d323480c8107be9d7daa15f8782c1bdd75dfb768
+Subproject commit 17247288902c3e273d0cb56930a319e07f0c5b33
diff --git a/submodules/SHiELD_SRC/atmos_drivers b/submodules/SHiELD_SRC/atmos_drivers
index f0d065e..456bc07 160000
--- a/submodules/SHiELD_SRC/atmos_drivers
+++ b/submodules/SHiELD_SRC/atmos_drivers
@@ -1 +1 @@
-Subproject commit f0d065e9f035b26b8b0006424abda939ce4cb63f
+Subproject commit 456bc0726be6687a468655c0ef7cb8eb0fccfc40
diff --git a/submodules/SHiELD_SRC/ice_null b/submodules/SHiELD_SRC/ice_null
new file mode 160000
index 0000000..1c87fef
--- /dev/null
+++ b/submodules/SHiELD_SRC/ice_null
@@ -0,0 +1 @@
+Subproject commit 1c87fef3b0de5a32de9ddb1ffe0ba3f7606502e3
diff --git a/submodules/SHiELD_SRC/ice_param b/submodules/SHiELD_SRC/ice_param
new file mode 160000
index 0000000..1d19a57
--- /dev/null
+++ b/submodules/SHiELD_SRC/ice_param
@@ -0,0 +1 @@
+Subproject commit 1d19a57e0be2ba1b668e2f0dd7a7290733b21cfe
diff --git a/submodules/SHiELD_SRC/land_null b/submodules/SHiELD_SRC/land_null
new file mode 160000
index 0000000..57e5942
--- /dev/null
+++ b/submodules/SHiELD_SRC/land_null
@@ -0,0 +1 @@
+Subproject commit 57e5942148d86b23dd51277298ea70a3a51bf2c1
diff --git a/submodules/SHiELD_SRC/ocean_null b/submodules/SHiELD_SRC/ocean_null
new file mode 160000
index 0000000..67ab49d
--- /dev/null
+++ b/submodules/SHiELD_SRC/ocean_null
@@ -0,0 +1 @@
+Subproject commit 67ab49d60c7d1e55ad0d4d4bdbb80a95b47f3fe2
diff --git a/submodules/SHiELD_build b/submodules/SHiELD_build
index 8309e11..0ae2130 160000
--- a/submodules/SHiELD_build
+++ b/submodules/SHiELD_build
@@ -1 +1 @@
-Subproject commit 8309e1151812f72dda41142a16da0eb1f2bc4f8a
+Subproject commit 0ae2130f5508f524e37bcd003a58c99a762223f2