What does ISY stand for?

ISY stands for "International Space Year (1992)"

How to abbreviate "International Space Year (1992)"?

"International Space Year (1992)" can be abbreviated as ISY

What is the meaning of ISY abbreviation?

The meaning of ISY abbreviation is "International Space Year (1992)"

What does ISY mean?

ISY as abbreviation means "International Space Year (1992)"