Skylab Medical Experiment Altitude Test

The Skylab Medical Experiment Altitude Test (SMEAT) was a 56-day simulation of an American Skylab space mission conducted from 26 July to 19 September 1972 at NASA's Manned Spacecraft Center in Houston, Texas. The test evaluated equipment and procedures for the Skylab missions and provided a baseline for biomedical experiments. A key outcome was the discovery of flaws in the urine handling system, which were corrected before the orbital flights.