diff --git a/.gitmodules b/.gitmodules
index 420de34..439b4c6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -37,3 +37,6 @@
 [submodule "fem-simscape"]
 	path = fem-simscape
 	url = https://git.tdehaeze.xyz/tdehaeze/fem-simscape
+[submodule "nass-metrology-test-bench"]
+	path = nass-metrology-test-bench
+	url = https://git.tdehaeze.xyz/tdehaeze/nass-metrology-test-bench
diff --git a/nass-metrology-test-bench b/nass-metrology-test-bench
new file mode 160000
index 0000000..7b472d1
--- /dev/null
+++ b/nass-metrology-test-bench
@@ -0,0 +1 @@
+Subproject commit 7b472d199cb2763158f65d8c89dbd549d89d480e