diff --git a/dev/ush/load_modules.sh b/dev/ush/load_modules.sh
index e5d4ffd04d7..ab2a1dcad6c 100755
--- a/dev/ush/load_modules.sh
+++ b/dev/ush/load_modules.sh
@@ -73,7 +73,10 @@ case "${MODULE_TYPE}" in
             echo "FATAL ERROR: Failed to load ufs_${MACHINE_ID}.intel"
             exit 1
         fi
-        module load prod_util
+        # Do not load prod_util on an ecflow system
+        if [[ -z "${ECF_JOB:-}" ]]; then
+            module load prod_util
+        fi
         if [[ "${MACHINE_ID}" == "wcoss2" ]]; then
             module load cray-pals
             module load cfp
diff --git a/modulefiles/gw_gsi.wcoss2.lua b/modulefiles/gw_gsi.wcoss2.lua
index 7d30ae3e792..b2b1c071fe6 100644
--- a/modulefiles/gw_gsi.wcoss2.lua
+++ b/modulefiles/gw_gsi.wcoss2.lua
@@ -20,7 +20,11 @@ load(pathJoin("netcdf-D", (os.getenv("netcdf_ver") or "None")))
 
 load(pathJoin("libjpeg", (os.getenv("libjpeg_ver") or "None")))
 load(pathJoin("grib_util", (os.getenv("grib_util_ver") or "None")))
-load(pathJoin("prod_util", (os.getenv("prod_util_ver") or "None")))
+-- Do not load prod_util when running ecflow
+local is_ecf = os.getenv("ECF_JOB") ~= nil
+if not is_ecf then
+    load(pathJoin("prod_util", (os.getenv("prod_util_ver") or "None")))
+end
 load(pathJoin("ncdiag-A", (os.getenv("ncdiag_ver") or "None")))
 load(pathJoin("crtm", (os.getenv("crtm_ver") or "None")))
 
diff --git a/modulefiles/gw_run.wcoss2.lua b/modulefiles/gw_run.wcoss2.lua
index 9dec3333a4e..d64ccfcbb76 100644
--- a/modulefiles/gw_run.wcoss2.lua
+++ b/modulefiles/gw_run.wcoss2.lua
@@ -28,7 +28,11 @@ load(pathJoin("netcdf-D", (os.getenv("netcdf_ver") or "None")))
 load(pathJoin("esmf-D", (os.getenv("esmf_ver") or "None")))
 
 load(pathJoin("nco", (os.getenv("nco_ver") or "None")))
-load(pathJoin("prod_util", (os.getenv("prod_util_ver") or "None")))
+-- Do not load prod_util when running ecflow
+local is_ecf = os.getenv("ECF_JOB") ~= nil
+if not is_ecf then
+    load(pathJoin("prod_util", (os.getenv("prod_util_ver") or "None")))
+end
 load(pathJoin("grib_util", (os.getenv("grib_util_ver") or "None")))
 load(pathJoin("bufr_dump", (os.getenv("bufr_dump_ver") or "None")))
 load(pathJoin("util_shared", (os.getenv("util_shared_ver") or "None")))
diff --git a/modulefiles/gw_upp.wcoss2.lua b/modulefiles/gw_upp.wcoss2.lua
index 3b85f481645..a2c942cf77d 100644
--- a/modulefiles/gw_upp.wcoss2.lua
+++ b/modulefiles/gw_upp.wcoss2.lua
@@ -10,7 +10,11 @@ load("wcoss2_intel")
 load(pathJoin("cray-pals", "1.0.17"))
 
 -- Load workflow modules
-load(pathJoin("prod_util", "2.0.9"))
+-- Do not load prod_util when running ecflow
+local is_ecf = os.getenv("ECF_JOB") ~= nil
+if not is_ecf then
+    load(pathJoin("prod_util", "2.0.9"))
+end
 load(pathJoin("python", "3.12.0"))
 load(pathJoin("libjpeg", "9c"))
 load(pathJoin("wgrib2", "2.0.8"))
diff --git a/modulefiles/gw_verif.wcoss2.lua b/modulefiles/gw_verif.wcoss2.lua
index 700e2d4f8e0..f6d408d58b5 100644
--- a/modulefiles/gw_verif.wcoss2.lua
+++ b/modulefiles/gw_verif.wcoss2.lua
@@ -23,7 +23,11 @@ load(pathJoin("netcdf", '4.7.4'))
 local cray_lib_path=os.getenv("CRAY_LD_LIBRARY_PATH") or ""
 prepend_path("LD_LIBRARY_PATH", cray_lib_path)
 
-load(pathJoin("prod_util", (os.getenv("prod_util_ver") or "None")))
+-- Do not load prod_util when running ecflow
+local is_ecf = os.getenv("ECF_JOB") ~= nil
+if not is_ecf then
+    load(pathJoin("prod_util", (os.getenv("prod_util_ver") or "None")))
+end
 load(pathJoin("grib_util", (os.getenv("grib_util_ver") or "None")))
 load(pathJoin("wgrib2", (os.getenv("wgrib2_ver") or "None")))
 
diff --git a/sorc/gdas.cd b/sorc/gdas.cd
index a6df6330fd5..3e5e2bc3d44 160000
--- a/sorc/gdas.cd
+++ b/sorc/gdas.cd
@@ -1 +1 @@
-Subproject commit a6df6330fd5acc4b8d98eed126428551ff88cd2f
+Subproject commit 3e5e2bc3d44e1b3196fe5db71b0855c09356e179
diff --git a/ush/module-setup.sh b/ush/module-setup.sh
index bb9b8a9c0e1..210ee40854d 100755
--- a/ush/module-setup.sh
+++ b/ush/module-setup.sh
@@ -47,7 +47,10 @@ elif [[ ${MACHINE_ID} = wcoss2 ]]; then
     # We are on WCOSS2
     # Ignore default modules of the same version lower in the search path (req'd by spack-stack)
     #export LMOD_TMOD_FIND_FIRST=yes #TODO: Uncomment this when using spack-stack for the entire workflow
-    module reset
+    # Do not reset on an ecflow system
+    if [[ -z "${ECF_JOB:-}" ]]; then
+        module reset
+    fi
 
 elif [[ ${MACHINE_ID} = cheyenne* ]]; then
     # We are on NCAR Cheyenne