Don't get your panties in a bunch just yet, everything will be just fine.
https://en.wikipedia.org/wiki/Executive_order
Like both legislative statutes and regulations promulgated by government agencies, executive orders are subject to judicial review and may be overturned if the orders lack support by statute or the Constitution.
I’m not calling you a liar because I don’t know if you’re right or wrong. All I can say is I work for DOD and in regards to the mask EO we got an official email saying it was in effect.