The Gradivus Dilemma was an Event that was held from Thursday, October 24 2013 @ 06:00 A.M. GMT through Wednesday, October 30 2013 @ 4:00 P.M. GMT. The event was focused on special Exterminate missions in locations on Mars that the Grineer and Corpus were competing for control of. Tenno chose to assist a faction of their choice in defeating the other, with special rewards having been offered by each faction for helping them achieve victory. Warframe News: The Gradivus Dilemma Corpus scientist an