Vicente Companys, left, points to a data screen, while Gottlob Gienger, second from left, and colleagues brainstorm the solution to a tricky situation. Photo taken 19 February 2009 in the Flight Dynamics Room (FDR) at ESOC, the European Space Operations Centre, Darmstadt, Germany, during simulation training for the dual launch of Herschel-Plank, scheduled for 14 May 2009.