The meaning of the Acronym USEF is...

USEF is

• Unmanned Space Experiment Free Flyer

More Meanings For USEF:

• University Students Emergency Fund
• United States Elite Force
• Unmanned Space Experiment Free Flyer
• Unmanned Space Experiment Free Flyer
• United States Educational Foundation in Nepal
• United States Equestrian Federation

USEF is also in:

• Military
• NASA
• Sports
• Transportation
• Universities
• US Government