Known to his friends as "Harley," Lieutenant Colonel Beck has experienced his fair share of action. He served in Operation Proven Force out of Interlik during the Persian Gulf War. He flew an AC-130 gunship over Baghdad. At some point he has served under Jack O'Neill in a special forces unit.
Currently Beck is stationed with the Tenth Air Force Wing in Colorado. He was responsible for turning in O'Neill's young clone to the authorities.
Fragile Balance - O'Neill's teenage clone duplicate encounters Beck outside a liquor store, and tries to get his help buying beer.