Castellum, Inc. (NYSE-American: CTM) ("Castellum," "CTM," or the "Company"), a cybersecurity, electronic warfare, and software services company focused on the federal government, today announced that its Global Technology and Management Resources, Inc. ("GTMR") subsidiary has been awarded a $32.8 million modification to its existing cost-plus-fixed-fee order supporting the Naval Air Systems Command ("NAVAIR") Program Office 290 ("PMA-290") Special Missions. The modification expands the order’s scope and increases its total contract ceiling to $136.2 million.