Key points The Geriatric Research, Education, and Clinical Centers (GRECCs) have served as incubators of geriatrics research, education, and clinical innovation since 1975. GRECCs continue to make robust contributions to the interprofessional care of older Veterans. GRECCs make invaluable contributions to advancing geriatric and gerontological science, training healthcare professionals, and developing innovative models of geriatric care. Why does this paper matter?