D3Publisher and Sandlot are bringing Earth Defense Force 2017 to PlayStation Vita. This version has seven new levels, a Pale Wing soldier that has a jetpack, and four player online multiplayer. Earth Defense Force 2017 Portable has a few support weapons like the Reverse Drone for players that want to play the the party healer.
Earth Defense Force 2017 is slated for release in February 2013 in stores for $39.99.