KEY POINTS The annual Utah Aerospace & Defense Day on Capitol Hill connects industry leaders with lawmakers. The aerospace and defense industry represents a major slice of Utah's economy. Visitors to Utah’s Capitol Hill on Wednesday may have thought they had drifted into some type of futuristic, deep-tech fever dream. Wednesday’s event was the annual Utah Aerospace & Defense Day on Capitol Hill — offering opportunities for scores of Utah-linked companies to connect with Utah lawmakers and the public. “It’s in everyone’s best interest to have a thriving aerospace and defense industry in the state.