working at an aerospace company that works on federal programs means you are REQUIRED to follow federal restrictions. Federal contractors are not able to smoke or use marijuana, even in legal states. Anyone with a clearance is especially prohibited from doing so.

Everyone that i work with with a clearance was absolutely questioning their lives in the industry after Musk was able to smoke on video and presumably maintain his clearance. " the head of a Federal agency may not grant or renew a security clearance for a covered person who is an unlawful user of a controlled substance " is part of the code that establishes security clearances. "Controlled substance" in that text refers to the federal schedule.