Sir, I need to tell you right off to be careful.

"Sir, I need you to come over to Security, to answer a few questions and file a statement."

"Sir, we need a distraction for those bombers," he said.

"Sir, I believe there's something you need to see."

"Sir, we need a great deal more vocabulary before we'll be ready to talk about anything more advanced than the weather."

Sir, I'll need about 20 good men for the transport.

Sir, I need to flesh out the details with the other platoon leaders.

"Sir, we need to report a change of status."

Sir, we need to work on a better way to get used to the flash-bangs.

"Sir, there's a situation we need to brief you on."