If you are using Sprocket Rocket App there are a variety of headers and footers included within the application. When the blog is added to your portal there is some additional setup required to add the correct navigation and footer to your blog.
Follow these steps to add the correct navigation/footer to your blog
#1: Navigate to the Design Manager
#2: Search for whatever blog template you installed from Sprocket Rocket
#3: Right click on your navigation/footer module and click "Copy snippet"
#4: Find the Load Navigation/Footer blocks and paste the snippet under them
#5 Repeat step #4 for the both blog templates