U.S. Space Force Tech. Sgt. Darien Concepcion, Basic Military Training instructor from Det. 2 Training Squadron, narrates the daily responsibilities of a Space Force MTI and what it takes to transform a civilian into a U.S. Space Force guardian. This video is part ten of a ten-part series highlighting the different career options within the MTI (8 Bravo) Air Force Specialty Code for the U.S. Air Force and U.S. Space Force Dec. 16, 2025, at Joint Base San Antonio-Lackland, Texas. (U.S. Air Force video by Brian Boisvert)