An official website of the United States government
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

DAF Weapons Safety Division Re-writes Nuclear Safety Design Criteria

Loren “Tucker” Teigland, software surety engineer, Air Force Safety Center, takes questions during the re-write of the Department of the Air Force Manual 91-119, Safety Design Criteria for Nuclear Weapons Systems Software, at the Air Force Safety Center, Kirtland Air Force Base, N.M., June 4, 2025. The updated DAFMAN 91-119 is expected to be published later in 2025. (U.S. Air Force photo by Staff Sgt. Tyler Catanach)

PHOTO BY: SSgt Tyler Catanach
VIRIN: 250604-F-WT274-1002.JPG
FULL SIZE: 2.21 MB
Additional Details

CAMERA

NIKON D5

LENS

24.0-85.0 mm f/2.8-4.0

APERTURE

38/10

SHUTTERSPEED

1/80

ISO

640

IMAGE IS PUBLIC DOMAIN

Read More

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

Go to Gallery

Graphics

DAF Weapons Safety Division Re-writes Nuclear Safety Design Criteria

Loren “Tucker” Teigland, software surety engineer, Air Force Safety Center, takes questions during the re-write of the Department of the Air Force Manual 91-119, Safety Design Criteria for Nuclear Weapons Systems Software, at the Air Force Safety Center, Kirtland Air Force Base, N.M., June 4, 2025. The updated DAFMAN 91-119 is expected to be published later in 2025. (U.S. Air Force photo by Staff Sgt. Tyler Catanach)

PHOTO BY: SSgt Tyler Catanach
VIRIN: 250604-F-WT274-1002.JPG
FULL SIZE: 2.21 MB
Additional Details

CAMERA

NIKON D5

LENS

24.0-85.0 mm f/2.8-4.0

APERTURE

38/10

SHUTTERSPEED

1/80

ISO

640

IMAGE IS PUBLIC DOMAIN

Read More

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

Go to Gallery