The victim of a suicide attack in Kabul had been living with his fiancee in County Londonderry, Northern Ireland.
Mr Chase's fiancee Norma McDowell was being comforted by family and friends after learning of the news.
It is understood the couple lived together with two children in the Drumachose Park area of the town.
The ex-Cheshire Regiment soldier had worked as a nightclub doorman in Limavady before travelling to Kabul to work in the security industry.
More top news
A hitchhiking robot that won the hearts of fans worldwide has met an untimely end after being vandalised on its trip across the US.
Rules could be changed to remove support for failed asylum seekers living in Britain with their families, a Home Office minister has said.
More than 50 dog surfers of all breeds and sizes joined an annual dog surfing competition in California