NASA's InSight Mission touched down, but what are the challenges ahead?

The room burst with cries of elation and tears of joy running down every official in the control room, who sat there with waited breath at Jet Propulsion Labaoratory in Pasadena California as its InSight Lander touched down on Monday but this is not it. There's a horde of challenges that the team of Principal Investigation and the project management looking at right now. Will they be able to complete the mission successfully ?