Calling it quits in the middle of a warfare is the same as tossing a white rag on your head and going ass first into the crossfire. And he had men under his command out here with them -- or at least he was sure they were under his command. When Ghost calls out an order over the comms which is instantly chorused by at-attention affirmations, Kirk isn't so positive anymore...
"Since when did they start taking orders from you?"
"CAN WE TALK ABOUT WHAT HAPPENED?" / accepting.
THE SCOPE OF THIS MISSION EXTENDS beyond what the crew is equipped to handle. This isn't an engagement meant for Kirk's men; the degree of danger has escalated, and the only thing left to do now is damage control. Prevent it from spiraling further, see to it that as many of them make it out alive as possible.
Per protocols, under circumstances of emergency related to large-scale, intragalactic terrorist organizations, a BICT operator is given clearance to allocate resources appropriately—be it soldiers or otherwise.
Now, that responsibility falls onto Ghost's shoulders.
"Since this whole op went tits-up," he answers. "No more distractions. Watch my six."