Earlier in April, the 556th TES also executed a Cold Integrated Combat Turn on an MQ-9 aircraft, which included simultaneous refueling and rearming of four Hellfires.

Source: https://www.aerotechnews.com/nellisafb/2023/05/26/weighing-less-than-three-pounds-the-stationary-robot-can-be-integrated-with-most-commercial-drones-credits-squishy-robotics-inc/

VBS was already heavily used to simulate high altitude drones, like providing a camera feed from a simulated Global Hawk, and also for engaging with weapons systems like Hellfires.

Source: https://www.nextgov.com/ideas/2023/04/artificial-intelligence-and-drone-tactics-maneuver-advanced-military-simulations/384942/