A potential $33 billion cut to the Defense Department's topline budget in fiscal year 2020 would have "a profound impact" on the size of the Navy's fleet, said the service's second most senior civilian, who also raised questions about the Navy's latest aircraft carrier program. "We're at about 286 or 287 ships right now. We need to be well above 350, 355, probably closer to 400, and this is a huge challenge for us because of . . . the...