CLEAN : Ukraine rebels brace for new assault as US troops head to region

The video tutorial covers various topics including an introduction to a Canadian statue, new developments in Germany, details about memory cards and user statistics, information on Mr. Brown and William DeLuca's schedule, and instructions on replaying content with a national overview.

Who is Mr. Brown and what is his connection to William DeLuca?

What does 'You just look at the replay.' suggest about the situation?