In April 2021, ride manufacturer
Gerstlauer and US collaborator
Ride Entertainment Group revealed their intention to construct a record breaking coaster for a client in the
United States, sparking mass speculation. In an interview with industry magazine
Amusement Today, Ride Entertainment CEO Ed Hiller said, "Working with Gerstlauer for over 25 years, I am always astounded by their creativity and ability to innovate no matter what the project is." Hiller proceeded to describe the project as having "[a] custom layout and challenging location", and that "[It] will certainly be one of the most formidable installations we have faced". On August 5, 2021, Glenwood Caverns announced the addition of Defiance. The park held an official
groundbreaking ceremony for the attraction on the morning of August 20, 2021. The ride has been operating since July 1, 2022. ==References==