This manual, Training Circular TC 3-04.93 Aeromedical Training for Flight Personnel August 2018, provides crewmembers with an understanding of the physiological responses that can occur in the aviation environment. It also describes the effects of the flight environment on individual mission accomplishment. In addition, this publication outlines essential aeromedical training requirements that assist commanders and flight surgeons in conducting aeromedical education for Army crewmembers. Subject areas addressed are by no means all-inclusive but are presented to assist crewmembers in increasing performance and efficiency. This publication contains guidelines for aircrew training program commanders, flight surgeons, rated crewmembers (RCMs), nonrated crewmembers (NRCMs), and nonrated noncrewmembers (NCM). The principal audience for TC 3-04.93 is Army Aviation, primarily fixed-wing (FW) and rotary-wing (RW) crewmembers and UAS operators. It is applicable to division, corps, the Theater Aviation Command, Theater Command, Area Sustainment Command, and the Army Aviation community, including members of allied, coalition, and civil defense support of civil authorities' forces. Implementation of this publication conforms to Army Regulation (AR) 95-1, TC 3-04.11, and appropriate aircrew training manuals. TC 3-04.93 uses joint terms where applicable. Selected joint and Army terms and definitions appear in both the glossary and the text. Terms for which TC 3-04.93 is the proponent publication (the authority) are italicized in the text and are marked with an asterisk (*) in the glossary. Terms and definitions for which TC 3-04.93 is the proponent publication are boldfaced in the text. For other definitions shown in the text, the term is italicized and the number of the proponent publication follows the definition. TC 3-04.93 applies to the Active Army, the Army National Guard/Army National Guard of the United States, and the United States Army Reserve unless otherwise stated. The proponent of this publication is Headquarters, United States Army Training and Doctrine Command.