"What, these hot potatoes?" Saturday indicates the grenades with her foot. "Yes. They go boom. Since the drones keep putting themselves in small rooms, I figured I should take advantage."

And also hide a few around the rig, just in case; some of them are flashbangs, hidden in with the others so no one notices and asks awkward questions about how useful they'd be against things with no eyes. No use whatsoever, is the answer, but probably useful against jorgbots and upper level execs.