Where did you get the part about Afroman sleeping with one of the police’s ex-wife? I hadn’t heard that part of the story before.

The headline is a little misleading. It’s saying that they selected the geology team that will plan the science mission for the astronauts, not that the geologists will go

Lance Corporal is the third rank from the bottom (E-3). It’s still very low but Private (E-1) and Private First Class (E-2) are lower.