 Complete the following phrase:  Due to cutbacks in defense spending, as well as the expense of operating her twin nuclear reactors, Tritons scheduled 1967 overhaul was canceled, and the submarinealong with 60 other vesselswas slated for inactivation. While Tritons twin reactor plant was designed to be refueled by a submarine tender like other U.S. nuclear submarines, because of the complexity of her zirconium-clad fuel elements, Tritons previous re-fueling had been done in a shipyard during her 19621964 overhaul. Although new fuel elements were procured and available for installation, Tritons overhaul was canceled, a source of controversy. One speculation suggests that the cancellation of Tritons overhaul allowed funds to be redirected for the repairs to the supercarrier , which had been 