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October 26, 1918


JAMA. 1918;71(17):1408-1409. doi:10.1001/jama.1918.02600430054012

The subject of rotation tests employed in examining aviators for their sense of balance has recently been debated1 in The Journal by the critics and the supporters. Whether or not these tests are too strict, it is at least clear that the flying men should have not only good general health, but also keen vision, quick reactions, coolness, and normal or more than normal capacity for maintaining their equilibrium.

In this issue appears a series of papers2 showing the work that is being done to protect aviators against the effects of altitude, low barometric pressure, and deficiency of oxygen. This is a matter that has steadily increased in importance from both the medical and the military standpoints. The rapid improvements in aeroplanes under the stimulus of military needs have made it possible to carry aerial fighting to greater and greater altitudes. Speed and its equivalent, the ability to