[He realizes he upset the man. Honestly, as a team leader, he could probably take action against him now if he wanted. But Steve is also aware that time is fleeting and as much as he would like to argue, he can't afford to do that.

He's going to help. If he's decided that, then it's about time he started.]

I'm sorry if I've caused any trouble. We'll accomplish this mission. I can promise you that.

[Maybe that's not quite an apology, but it's an assurance that he'll do everything in his power to help and not hinder the operation. Personal feelings or not, he's not going to get distracted.]

Thanks for the advice. I'll remember that.