A projectile comprises a payload portion and an airburst fuze mounted on a
rear of the projectile and explosively connected to the payload portion.
The airburst fuze comprises an arming and firing electrical circuit
including a setback generator; a slider that is movable from a safe
position to an armed position, the slider including a detonator attached
thereto; a setback lock and a spin lock that lock the slider in the safe
position and, in response to a setback acceleration and a spin rate,
respectively, unlock the slider; and an actuator that moves the slider to
the armed position in response to a first input from the arming and
firing electrical circuit; wherein a second input from the arming and
firing circuit activates the detonator when the slider is in the armed
position.