Unified command

1. Explain the difference between incident command and unified command.

2. Research the internet and find an article, video or webpage detailing an emergency incident that used a unified command.

3.  Post the link to the article, video or webpage.

4.  Was the command structure effective for this incident?  If yes, describe why.  If no, what could have been done better?
 

Please write a minimum of 250 words.