Around 5,200 enlisted medical trainees at the Medical Education and Training Campus at Joint Base San Antonio–Fort Sam Houston are being relocated from dormitories due to climate control failures and foundational defects found in the campus’s construction. The students are moving to on-base hotels and temporary housing as the Pentagon pursues a long-term recapitalization plan, with construction slated to begin by the end of 2026 and potentially billions in new housing projects. Officials describe the issues as systemic infrastructure failures tied to the modular construction used for the barracks, including mold, humidity, and HVAC problems that routine maintenance cannot fix. Representatives, including Rep. Joaquin Castro, have highlighted mold and faulty construction as underlying causes, noting that five barracks are being demolished to make way for new housing funded by defense programs, with costs cited in the billions for future phases. The relocation has been implemented in phases, with roughly 2,000 students moved since mid-July, while the long-term solution involves Pentagon-funded construction and a recapitalization effort. METC serves roughly 16,500 trainees annually across the military, and officials say the immediate relocation safeguards safety and preserves the training pipeline during the transition.