While the 339 is traditionally a text or data form, seeing it as an suggests one of two things:
Coordinate with engineers to determine if a part can be repaired or must be replaced. Why is it an .mp4 File? Dod (339) mp4
As the DoD moves toward digital records requirements , multimedia formats are sometimes used to archive visual engineering data or reviews associated with a specific request. ESA - Engineering Support Activities - DLA While the 339 is traditionally a text or