He supervised operations to put out the fire, then prepared to leave.

Presumably he has remained at the back to supervise the operation.

Will your standing here, supervising operations - just looking on, rather - help things along?

You're welcome to supervise the whole operation, from members' roster to accounts.

Three agreed to serve as engineers, setting up equipment and supervising operations.

A Cuban military officer accompanied each one of them and carefully supervised the operation.

This was almost certainly the place from which the captain and his lieutenants supervised operation of the ship.

The board said its rules required anyone supervising operations to be qualified to fly the planes.

In general, these institutions are called central banks and often have other responsibilities such as supervising the smooth operation of the financial system.

These boards supervise operations from more than 100 civil defense centers designated throughout the country.