Your VA ID card has a barcode on the righthand side next to your photo it can be scaned by a smart phone with a scanning APP, watch the youtube for details. The Cards are to be replaced, "sometime" in 2014.
If you carry a VA ID card, you need to watch this.
http://youtu.be/4ycbVaOk6To
VA to starting to issue new read these link.
Stu
ID cards http://www.stripes.com/news/veterans/va-phasing-in-new-id-card-with-improved-security-features-1.269035