What does ESSF stand for?
ESSF stands for "Enroute System Support Facility"
How to abbreviate "Enroute System Support Facility"?
"Enroute System Support Facility" can be abbreviated as ESSF
What is the meaning of ESSF abbreviation?
The meaning of ESSF abbreviation is "Enroute System Support Facility"
What does ESSF mean?
ESSF as abbreviation means "Enroute System Support Facility"
