U.S. Army regulations then required that he leave the service, but President Roosevelt waived the requirement in April after he demonstrated his recovery, and on the condition that the President be provided with monthly updates on Arnold's health.
Za več dni je pristal v Bolnišnici Kopenske vojske ZDA Walter Reed, nato pa je za tri tedne odpotoval na okrevanje v Coral Gables Biltmore Hotel (Florida), kateri je bil preoblikovan v negovalno bolnišnico.