Navy: Obese sailors more buoyant, save billions in life jacket costs

PENTAGON — Sailors’ waistlines may be expanding, but their increased buoyancy is saving the Defense Department billions of dollars in life-jacket costs, according to a study released by the Navy.

The study, codenamed Project Muffin Top, following a scathing DoD report that named the Navy as its fattest service. Sources say that after the report made head…