The meaning of the Acronym SUMS is...

SUMS is

• Shuttle Upper-Atmosphere Mass Spectrometer

More Meanings For SUMS:

• Strengthening Underrepresented Math And Science
• Society Of Undergraduate Math Students
• Standard USAREUR Munitions System
• Shuttle Upper-Atmosphere Mass Spectrometer

SUMS is also in:

• Military
• NASA
• Unfiled