Running a bakery during the holiday season is a land-office business.

I left my bag at the luggage office.

The movie became a box-office hit, earning millions of dollars.

The senior chief petty officer is responsible for leading and mentoring junior enlisted personnel.

Master Chief Petty Officer is the highest enlisted rank in the United States Navy.

The petty officer first class is responsible for supervising and training junior enlisted personnel.

The petty officer second class is responsible for training and supervising junior enlisted personnel.

He was promoted to petty officer third class.