HUNTSVILLE — In a move to support key missile programs, Raytheon has begun construction on a $115 million, 26,000 square-foot expansion of its Missile Integration Facility on Redstone Arsenal.

The company said the project, which includes its Glide Phase Interceptor, will increase the factory’s space for integrating and delivering on critical defense programs by more than 50%.

The expansion will also bring an estimated 185 new jobs to the area, growing RTX’s employee footprint in Alabama to more than 2,200 people, the company said in a news release.

“This important investment in the Huntsville region will help us meet the growing needs of our military customers and service members,” said Raytheon President Phil Jasper. “It will also ready our operations to accelerate delivery of our vital counter-hypersonic solution.”

Raytheon’s Redstone facility is the final integration point for many programs for the Missile Defense Agency, Navy, and other defense customers. The facility handles integration of nine variants of the Standard Missile family, including Standard Missile-3 and Standard Missile-6, and will accommodate additional defense programs, including the Glide Phas Interceptor.

The Redstone Raytheon Missile Integration Facility opened in 2012. Expansion construction is scheduled to conclude in 2025.