I was awarded 100% disability for lung cancer and respiratory problems with an effective date of October 31, 2006. This changed my status from 70%/100% IU to a straight 100%. This did not change the amount that I receive from the VA but there was a good increase from DFAS that was paid starting on June 1st of this year. My question is how long does it take to receive the back pay from DFAS? As its getting close to 90 days from the date of RAS and for what months will I be getting back payments.