TF2 has numerous instances of a red cross on a white background: https://external-preview.redd.it/SbtWXsikMzEs9ObLuWn1ZOhH4rAGY9sCsWLcJ6j9V5c.png?auto=webp&s=07

TF2 has numerous instances of a red cross on a white background: https://external-preview.redd.it/SbtWXsikMzEs9ObLuWn1ZOhH4rAGY9sCsWLcJ6j9V5c.png?auto=webp&s=0797ba3b4db992c1201eacc22a46d9d1c5cd9f9a https://external-preview.redd.it/SbtWXsikMzEs9ObLuWn1ZOhH4rA... Here is the relevant US law: https://www.law.cornell.edu/uscode/text/18/706 https://www.law.cornell.edu/uscode/text/18/706