CVN 21 said to offer biggest changes in decades, seeking a ‘leap ahead’ in technology by Harold Kennedy The U.S. Navy is moving ahead with plans for its much-debated, next-generation aircraft carrier, now called CVN 21. The service has requested $1.5 billion in its fiscal year 2004 budget for research, development and engineering and advanced procurement for the ship. CVN 21 is scheduled to begin construction in 2007 and to be delivered in 2014, according to Rear Adm. Dennis M. Dwyer, the Navy’s program executive officer for aircraft carriers. The budget for the entire project “now stands at $11.7 billion,”...