In August , the Stavka formed the 37th, 38th, and 39th Guards Airborne Corps. By October, the newly formed corps had combined into a separate airborne army under Maj. Gen. I. I. Zatevakhin. However, because of the growing need for well-trained ground units, the new army did not endure long as an airborne unit. In December, separate airborne army the Stavka reorganized the separate airborne army into the 9th Guards Army of Col. Gen. V. V. Glagolev, and all divisions were renumbered as guards rifle divisions. As testimony to the elite nature of airborne-trained units, the Stavka held the 9th Guards Army out of defensive actions, using it only for exploitation during offensives.