Complex sentence: After his last deployment, he served as the Commanding General for Great Plains Regional Medical Command (RMC), and then, following USAMEDCOM recognization, for both Southern RMC and Brooke AMC, both at Fort Sam Houston, TX.
Split into simpler sentences: After his last deployment, he served as the Commanding General for Great Plains Regional Medical Command (RMC). Following USAMEDCOM recognization, he commanded both Southern RMC and Brooke AMC, at Fort Sam Houston, TX.