What does GUM stand for?

GUM stands for "Guam Island, Guam"

How to abbreviate "Guam Island, Guam"?

"Guam Island, Guam" can be abbreviated as GUM

What is the meaning of GUM abbreviation?

The meaning of GUM abbreviation is "Guam Island, Guam"

What does GUM mean?

GUM as abbreviation means "Guam Island, Guam"