How old is Captain Soap in modern warfare 3?

In "Call of Duty: Modern Warfare 3," Captain John "Soap" MacTavish is portrayed as being in his late 20s to early 30s. The game takes place several years after the events of "Modern Warfare 2," where he was born in 1983. This would make him around 28 to 30 years old during the events of MW3, which is set in 2016.