Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/870737'></iframe> Download Embed Share USSF Insignia Made of PVC, Not Thread; See a Comparison Defense.gov Jan. 12, 2023 | 1:39 Tom Casciaro of The Institute of Heraldry explains why the Space Force chose to have its chevrons and badges made from PVC instead of textiles. He also gives a side-by-side comparison of the two.