Hmm.

"I'm thinking I might stick to overwatch. This whole affair isn't well-organized or well-coordinated, so I'd be surprised if no one came to any trouble or needed any help. I have pretty good access and vision up here."

Also she trusts her own judgment, and doesn't know who else she can trust. That might seem arrogant, but she is a very capable commander and has proven that several times in the past. The others here... are a mixed bunch, to put it mildly.