The meaning of the Acronym OSF is...

OSF is

• Office of Space Flight
• Ordnance Storage Facility
• Office of Space Flight (now OSTS)

More Meanings For OSF:

• Outrage Sound Format
• Open Software Foundation
• Optimal Solutions Found
• Operational Support Facility
• Operation Support Facility
• One Sick Fuck
• Oregon Shakespere Festival
• Our Soccer Field
• Order Of St Francis
• Open Source Folks
• Osaka Stock Futures 50
• Operational Support Facility ( Orlando)
• Open Software Foundation
• Object Strike Force
• Observed Support Frequency

OSF is also in:

• Adults
• File Extensions
• Firms
• General
• Hospitals
• Mathematics
• Meteorology
• Military
• NYSE Symbols
• Ocean Science
• Unfiled