The officers operate in a small network, communicating by radio with a command post.

They said the two officers were operating in a political world that was far distant from the daily routine of training enlisted people.

The young officer quickly operated his console, locking it down, then exited the room.

Foreign officers could not operate radar and other navigational equipment.

The case raises questions about how the two officers could have operated undetected.

Some officers incidentally operated shops in the bazaar, to supplement their income.

The officers operate under separate commands and don't use the same radio frequency, which would help them know what the other precinct is doing.

Both captain and first officer were operating their first operational flight since the previous summer.

Agents and officers of the division operate under the codename Ogma.

As a rule, the officer does not make proposals to the parties in the formal sense, and operates largely out of the limelight.