Complex sentence: They were funded by Congress during FY61 and FY62 as "Belknap Class" combatants at a time when "cruiser" nomenclature was "verboten", designed as "single-ended" guided missile platforms built to screen aircraft carriers and provide combat air support.
Split into simpler sentences: They were funded by Congress during FY61 and FY62 as "Belknap Class" combatants at a time when "cruiser" nomenclature was forbidden. Designed as a "single-ended" guided missile platform built to screen aircraft carriers and provide combat air support.