They have a red star embedded in their logo. I couldn’t get it to paste here; maybe someone else can?
Correction - it’s the logo for Service Nation:
Be the Change You Want to See
Public Allies is a proud member of Service Nation, a bi-partisan movement inspiring widespread public support for voluntary community and national service opportunities, solving problems with proven service strategies, and elevating service is core to civic engagement. More...
*Public Allies is a non-partisan organization.
The five-pointed red star was symbolic of a workers hand, here is a hand in yellow and red. Note the stylized, "lightning" style S's