The Space Force is expanding across the service the readiness model it launched in 2022, which Chief of Space Operations Gen. Chance Saltzman called "the most drastic change accompanying the establishment of the Space Force" in a letter to guardians last week. Space Force Generation, or SPAFORGEN, cycles guardians through three phases -- prepare, ready and commit -- and is the service’s model for assigning and allocating forces to combatant commands, a service spokesperson said. It prioritized combat effectiveness over...