In December 1939, the United States Cavalry consisted of two mechanized and twelve horse regiments of 790 horses each. Chief of Cavalry John K. Herr, a proponent of horse troops (``conservative and downright mossback'' according to Allan Millett yet ``noble and tragic in his loyalty to horse'' according to Roman Jarymowycz), intended to increase them to 1275 horses each.
John K. Herr
Allan Millett