However, the CBO assumed that all of the additional ships in the larger Navy would come from new construction, noted Bryan Clark, a naval analyst at the Center for Strategic and Budgetary Assessments. “That combination of [service life extensions] and then new construction could mean that you could get to a larger fleet sooner and then with a little less cost,” he said. “But you’re still going to have probably … an approximately 20 percent larger shipbuilding budget being needed” to reach 355 ships.