The U.N. Spacy (United Nations Spacy) is the fictional military arm of the Earth U.N. Government (地球統合政府 chikyuu tougou seifu "Integrated Global Government") from the Japanese anime series Macross.
Read more about U.N. Spacy: Fictional Organization Background, New U.N. Spacy (N.U.N.S.), Use of The Term "Spacy" in Macross and Other Works