On March 28, 2024, the U.S. Missile Defense Agency, in cooperation with the U.S. Navy, successfully conducted an intercept of an advanced Medium Range Ballistic Missile (MRBM) test target utilizing the Standard Missile-6 (SM-6) Dual II with Software Upgrade (SWUP). Known as Flight Test Aegis Weapon System (FTM) 32, or Stellar Laelaps, the test demonstrated the capability to detect, track, engage, and intercept an MRBM target in the terminal phase of flight culminating in a live intercept by an Aegis Baseline 9 equipped ship.