Hector Hammond gets to see the alien body of Abin Sur in Green Lantern
Hector Hammond: Is that what I think it is?
An alien life form doctor. The first that mankind have ever encountered, despite what the conspiracy theorist would have you believe. We want you to do the initial assessment of his physiology.
As a zenobiologist your skills are specifically suited to the task. Beyond that I'm not at liberty to tell you.