This veteran showed us all the right way to sing God Bless America during Game 1

There's singing and there's singing. United States Marine Sgt. Dan Clark did the latter performing God Bless America during Game 1 of the World Series.

Here he is getting himself ready to sing:

And when it came time to perform, he absolutely nailed it. Check the full rendition in the video above.

This is the face of a man who knows he just rocked: