BY ORDER OF THE
SECRETARY OF THE AIR FORCE
DEPARTMENT OF THE AIR FORCE
INSTRUCTION 48-151
2 MAY 2022
Aerospace Medicine
THERMAL STRESS PROGRAM
COMPLIANCE WITH THIS PUBLICATION IS MANDATORY
ACCESSIBILITY: Publications and forms are available on the e-Publishing website at
www.e-Publishing.af.mil for downloading or ordering.
RELEASABILITY: There are no releasability restrictions on this publication.
OPR: AFMRA/SG3PB Certified by: USAF/SG3/4
(Maj Gen Sharon R. Bannister)
Supersedes: AFI48-151, 7 April 2016 Pages: 30
This Department of the Air Force Instruction (DAFI) implements Air Force Policy Directive
(AFPD) 48-1, Aerospace & Operational Medicine Enterprise (AOME), and provides supporting
guidance for establishing and implementing an effective local Thermal Stress Program to
commanders, supervisors, medical personnel, and individuals at every level. This DAFI covers
thermal stress education, environmental monitoring, and guidance charts. Signs and symptoms of
thermal illness are provided in section 23.10 of Air Force Tactics, Techniques, and Procedures
(AFTTP) 3-4, Airman’s Manual.. This publication applies to the entire Department of Air Force
(DAF), including all civilian employees and uniformed members of the Regular Air Force, the Air
Force Reserve, the Air National Guard, and the United State Space Force. This instruction does
not apply to DAF units receiving thermal stress guidance from other military services under joint
basing agreements. The lead service under the joint basing agreement will provide thermal stress
support in accordance with their regulations and guidance. Ensure that all records generated as a
result of processes prescribed in this publication adhere to AFI 33-322, Records Management and
Information Governance Program, and are disposed of in accordance with the Air Force Records
Disposition Schedule which is located in the Air Force Records Information Management System.
Refer recommended changes and questions about this publication to the office of primary
responsibility (OPR), AFMRA/SG3PB, using the AF Form 847, Recommendation for Change of
Publication; route AF Forms 847 from the field through the appropriate chain of command. This
publication may be supplemented at any level, but all supplements must be routed to the OPR,
AFMRA/SG3PB for coordination prior to certification and approval. The authorities to waive
wing/Space Force equivalent/unit level requirements in this publication are identified with a Tier
("T-0, T-1, T-2, T-3") number following the compliance statement. See DAFI 33-360,
