diff --git a/dauntless/gsc.mk b/dauntless/gsc.mk
index 188d9f9..c1cf0e0 100644
--- a/dauntless/gsc.mk
+++ b/dauntless/gsc.mk
@@ -20,4 +20,76 @@ PRODUCT_PACKAGES_DEBUG += citadel_integration_tests \
                           nugget_targeted_tests \
                           CitadelProvision \
                           nugget_aidl_test_weaver
+
+# Assign default value for RELEASE_GOOGLE_DAUNTLESS_DIR if no trunk flags support
+RELEASE_GOOGLE_DAUNTLESS_DIR ?= vendor/google_nos/prebuilts/dauntless
+
+# The production Dauntless firmware will be of flavors evt and d3m2.
+# There are also several flavors of pre-release chips. Each flavor
+# (production and pre-release) requires the firmware to be signed differently.
+DAUNTLESS_FIRMWARE_SIZE := 1048576
+
+# The nearly-production Dauntless chips are "proto1.1"
+ifneq (,$(wildcard $(RELEASE_GOOGLE_DAUNTLESS_DIR)/proto11.ec.bin))
+ifneq ($(DAUNTLESS_FIRMWARE_SIZE), $(shell stat -c "%s" $(RELEASE_GOOGLE_DAUNTLESS_DIR)/proto11.ec.bin))
+$(error GSC firmware size check fail)
 endif
+PRODUCT_COPY_FILES += \
+    $(RELEASE_GOOGLE_DAUNTLESS_DIR)/proto11.ec.bin:$(TARGET_COPY_OUT_VENDOR)/firmware/dauntless/proto11.ec.bin
+$(call dist-for-goals,droid,$(RELEASE_GOOGLE_DAUNTLESS_DIR)/proto11.ec.bin)
+else
+$(error GSC firmware not found in $(RELEASE_GOOGLE_DAUNTLESS_DIR))
+endif
+
+# The production Dauntless chips are "evt"
+ifneq (,$(wildcard $(RELEASE_GOOGLE_DAUNTLESS_DIR)/evt.ec.bin))
+ifneq ($(DAUNTLESS_FIRMWARE_SIZE), $(shell stat -c "%s" $(RELEASE_GOOGLE_DAUNTLESS_DIR)/evt.ec.bin))
+$(error GSC firmware size check fail)
+endif
+PRODUCT_COPY_FILES += \
+    $(RELEASE_GOOGLE_DAUNTLESS_DIR)/evt.ec.bin:$(TARGET_COPY_OUT_VENDOR)/firmware/dauntless/evt.ec.bin
+$(call dist-for-goals,droid,$(RELEASE_GOOGLE_DAUNTLESS_DIR)/evt.ec.bin)
+else
+$(error GSC firmware not found in $(RELEASE_GOOGLE_DAUNTLESS_DIR))
+endif
+
+# New 2023 production Dauntless chips are "d3m2"
+ifneq (,$(wildcard $(RELEASE_GOOGLE_DAUNTLESS_DIR)/d3m2.ec.bin))
+ifneq ($(DAUNTLESS_FIRMWARE_SIZE), $(shell stat -c "%s" $(RELEASE_GOOGLE_DAUNTLESS_DIR)/d3m2.ec.bin))
+$(error GSC firmware size check fail)
+endif
+PRODUCT_COPY_FILES += \
+    $(RELEASE_GOOGLE_DAUNTLESS_DIR)/d3m2.ec.bin:$(TARGET_COPY_OUT_VENDOR)/firmware/dauntless/d3m2.ec.bin
+$(call dist-for-goals,droid,$(RELEASE_GOOGLE_DAUNTLESS_DIR)/d3m2.ec.bin)
+else
+$(error GSC firmware not found in $(RELEASE_GOOGLE_DAUNTLESS_DIR))
+endif
+
+# Intermediate image artifacts are published, but aren't included in /vendor/firmware/dauntless
+# in PRODUCT_COPY_FILES
+# This is because intermediate images aren't needed on user devices, but the published artifact
+# is useful for flashstation purposes.
+
+# proto11 chips need an intermediate image prior to upgrading to newever versions of the firmware
+ifneq (,$(wildcard vendor/google_nos/prebuilts/dauntless/intermediate_images/proto11_intermediate.ec.bin))
+ifneq ($(DAUNTLESS_FIRMWARE_SIZE), $(shell stat -c "%s" vendor/google_nos/prebuilts/dauntless/intermediate_images/proto11_intermediate.ec.bin))
+$(error GSC firmware size check fail)
+endif
+$(call dist-for-goals,droid,vendor/google_nos/prebuilts/dauntless/intermediate_images/proto11_intermediate.ec.bin)
+endif
+# evt chips need an intermediate image prior to upgrading to newever versions of the firmware
+ifneq (,$(wildcard vendor/google_nos/prebuilts/dauntless/intermediate_images/evt_intermediate.ec.bin))
+ifneq ($(DAUNTLESS_FIRMWARE_SIZE), $(shell stat -c "%s" vendor/google_nos/prebuilts/dauntless/intermediate_images/evt_intermediate.ec.bin))
+$(error GSC firmware size check fail)
+endif
+$(call dist-for-goals,droid,vendor/google_nos/prebuilts/dauntless/intermediate_images/evt_intermediate.ec.bin)
+endif
+# d3m2 chips need an intermediate image prior to upgrading to newever versions of the firmware
+ifneq (,$(wildcard vendor/google_nos/prebuilts/dauntless/intermediate_images/d3m2_intermediate.ec.bin))
+ifneq ($(DAUNTLESS_FIRMWARE_SIZE), $(shell stat -c "%s" vendor/google_nos/prebuilts/dauntless/intermediate_images/d3m2_intermediate.ec.bin))
+$(error GSC firmware size check fail)
+endif
+$(call dist-for-goals,droid,vendor/google_nos/prebuilts/dauntless/intermediate_images/d3m2_intermediate.ec.bin)
+endif
+
+endif # $(wildcard vendor)