Defense analyst Stacie Pettyjohn says while the U.S. military is facing long-range missile shortages, prolonged deployments, and vacated regional bases, Iran is building cheaper weapons quickly. She tells Dave Davies the U.S. military is scrambling to adjust to innovations in modern warfare.  Subscribe to our free weekly newsletter [https://support.whyy.org/page/39306/subscribe/1]  Follow us on Instagram [https://www.instagram.com/nprfreshair/]  Subscribe to our YouTube channel [https://www.youtube.com/@thisisfreshair]  Check out the Fresh Air Archives [https://freshairarchive.org/] See pcm.adswizz.com [https://pcm.adswizz.com] for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. NPR Privacy Policy [https://www.npr.org/about-npr/179878450/privacy-policy]