1. It is for Fannie Mae and Freddie Mac loans, who are the investors, not for FHA
2. If you are current you have to do the refinance, if you are 2 or 3 months behind you have the do the loan modification
3. The Refinance is if you are pratically upside on your loan and cannot do a regular refinance
4. Reading is fundamental, here is a Q and A link
SunTrust Mortgage, Inc. - --Making Home Affordable Plan
Here is the url to the program
Making Home Affordable - Home