The case, related to FAE Missoula Old Post Hospital at Fort Missoula, has been simmering for years. Finding that the HPC erred in its decision now sends FAE's application to the historic preservation officer. “That's the process, waiting for them to submit basically a historic preservation application for redevelopment,” said Johnson. (Martin Kidston/Missoula Current file) Fort Missoula hospital was built in 1911 but sits vacant and in disrepair. “I think the most unbiased recommendation based on fact, based on statute and all the regulations that we have in place, came from the historic preservation officer.