There you go. That's their motivation. They have a reason to deliver that report.
I was under the impression that the "report scene" was just going to be placed there to explain things. But it seems like the events that led them to do the research and report was decided by the government.
But you mentioned them researching a crash site of an alien vessel? Wouldn't it be better to show the characters learning information from the crash site rather than them talking about it in a report? I'd imagine the environment of an alien ship to be more interesting than a conference room.