diff --git a/aws/documentation/transit-gateway/images/tgw-networking-lab-dmz.png b/aws/documentation/transit-gateway/images/tgw-networking-lab-dmz.png
new file mode 100644
index 00000000..3bc00679
Binary files /dev/null and b/aws/documentation/transit-gateway/images/tgw-networking-lab-dmz.png differ