Steve McGarrett (2010)

Steven J. McGarrett (rank: Lieutenant Commander) is the main protagonist of he CBS series Hawaii Five-0 which is a re-make of the 1968-80 series of the same name. He is portrayed by Alex O'Loughlin.

He is friends with former SEAL Senior Chief Petty Office now Special Agent Sam Hanna from NCIS: Los Angeles, and one can assume they were part of the same SEAL Team as they were both stationed in Coronado while on the service.