Krav Maga's in Fairfield County

There is a trendy martial art - it's called  Krav Maga was developed  by the Israeli Defense Force and you can learn in Fairfield County.Why teach Krav Maga - which apparently means "hand-to-hand" combat in Hebrew? It is good practice and, according to Darien Krav Maga, the classes taught at 172 Heights Road, this martial art is "the most effective self defense system for real-life situations. ""