On 28 November the Congressional Research Service In Focus report, Navy DDG(X) Next-Generation Destroyer Program: Background and Issues for Congress was made public. The Navy’s DDG(X) program envisages procuring a class of next-generation guided-missile destroyers (DDGs) to replace the Navy’s Ticonderoga (CG-47) class Aegis cruisers and older Arleigh Burke (DDG-51) class Aegis destroyers.