Adding American boats would impart mass to the fleet—further easing the challenge of keeping enough boats plying the deep. The more subs in the rotation, the shorter voyages can be. Bottom line, having the fleet make its home near likely Asian hotspots would solve many ills, as would expanding and diversifying logistics arrangements. Such measures, furthermore, would cow prospective antagonists while comforting allies and friends. This constitutes a promising venture in manifold respects.

The MITRE proposal, then, deserves a fair hearing—not denunciation. Every ship in a global navy need not be a globe-spanning ship. Diesel submarines are an option for the future U.S. Navy. Whether to exercise that option is the question before Congress and the navy.

James Holmes is Professor of Strategy at the Naval War College and coauthor of Red Star over the Pacific (second edition forthcoming 2018). The views voiced here are his alone.

Image: Reuters.