Earth Space Defense



"ESD, huh? Well, that's the Earth Space Defense to you I guess. They're an early warning system and united global defense force against future extraterrestrial threats that David Levinson directs for. Nevertheless, I'll do my best to help 'em out and ensure that they'll have the world covered for all of this."

--Su Ji-Hoon, Nervously Shattered

The Earth Space Defense (ESD) is a international program that serves as Earth's early warning system and united global defense force against future extraterrestrial threats. It was founded by the United Nations on May 25, 1998. David Levinson was appointed as its Director in 2007.

In When the Cold Breeze Blows Away, they are part of supporting the United Nations in during World War III