She is about to graduate, but wait, something more wonderful is coming!

<p id="watch-headline-title" class="yt"><span id="eow-title" class="watch-title long-title yt-uix-expander-head" title="U.S. Marine Surprises His Sister During College Graduation Ceremony" dir="ltr">U.S. Marine Surprises His Sister During College Graduation Ceremony</span></p>