The Rabbit facility is a pneumatic transfer system that allows samples to be rapidly injected into the periphery of the reactor core (grid position G2). The sample lands on a shock absorber inside of the terminus assembly at the peak axial flux position.  The advantage that this facility provides is the ability to examine short-lived isotopes. A newly-installed control system allows fine-tuned sample injection times with accuracy on the order of a tenth of a second. The digital counter starts when the sample passes by an optical sensor near the top of the reactor tank. After the sample has been irradiated for the programmed amount of time, the sample is then returned to the injection point. The ability to rapidly irradiate and examine samples is ideal for short-lived isotope studies.