The mention of the thaumoscope has Barrow enthusiastically pointing at Viktor-- yes, do that-- even if, as it turns out, the logistics aren't quite as simple as he'd hoped.
It's still a plan, and one that doesn't require them to aimlessly wander a wasteland in (possibly) plain sight of the enemy.

"I'll cover you," he offers, "if we can get someone on crystal watching the skies as well."