How the U.S. Navy Could Beat China in a War

How the U.S. Navy Could Beat China in a War

Think diesel subs. 

To cope with this prospect, the allies should rediscover their Pacific War past. During its westward advance across the Pacific, the U.S. Navy fashioned  techniques and hardware  to refuel, resupply, and repair ships from dispersed, often improvised island bases. The allies should ransack history for insight—thinking ahead about how to use Japan’s many islands and inlets as impromptu logistics hubs. But again, the allies need to make themselves resilient as a matter of course. After all, the conventionally powered surface fleets based in Japan need fuel too. And nuclear-powered warships need every other form of replenishment except fuel for their main engines. (Try running aircraft-carrier flight operations without jet fuel.) Logistical demands, in short, are hardly unique to diesel subs.

What madman would propose adding diesel submarines to the U.S. Navy’s all-nuclear silent service?

There are a few . The topic came up at an  early March hearing  before the U.S. House Seapower and Force Projection Subcommittee. Representatives from three teams that have compiled  competing “Future Fleet Architecture” studies  convened to debate their visions with the committee. Published by the Navy Staff itself, the Center for Strategic and Budgetary Assessments, and the MITRE Corporation, the studies explore everything from overall ship numbers to the types of hulls comprising the future fleet to the mix between manned and unmanned platforms.

(This first appeared in March.) 

Navy potentates will now evaluate and compare the studies. The end product will be an official navy statement about force-structure questions, useful to Congress as lawmakers determine how many—and which—ships, planes, and armaments to fund. One consensus, however, already unites the protagonists to this debate: the U.S. Navy needs more of just about everything. The navy  estimates it needs 355 vessels to fulfill its missions in increasingly contested settings, principally around the margins of Eurasia. That portends about a  30 percent  boost to the force.

 

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A naval expansion of such proportions will put a premium on low-cost yet effective platforms that can be acquired in bulk. Diesel-electric submarines constitute one such platform. The last boat in the Japan Maritime Self-Defense Force’s (JMSDF)  Soryu class—a class widely acclaimed the world’s finest  of its kind—ran Japanese taxpayers  $540 million . Let’s use that as a benchmark for discussion. Meanwhile, each  Virginia-class nuclear-powered attack boat sets back American taxpayers a cool  $2.688 billion . That’s five for the price of one—a low, low price by any standard!

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Reports Megan Eckstein of  USNI News, however,  Charles Werchado, the deputy director of the Office of the Chief of Naval Operations’ assessments division, “ firmly denounced ” the MITRE analysts’ vision of a hybrid nuclear/conventional submarine force. Quoth Werchado:

“If I was a country like China, I would buy a lot of diesels because I know you’re going to come and fight me here at home. We have to deploy, and the only way to deploy is to bring your own fuel with you. When we buy a Virginia, it comes with a lifetime of fuel. So I have nothing against diesel submarines, but you have to say, am I’m going to be fighting within 200 miles of where I’m based at? Or else now I have to buy extra oilers. I’m going to make them vulnerable when I refuel them; they’re going to have to snorkel and they’ll become vulnerable. It’s just not an option for us as long as we have to be a global navy."

He thus objected to diesels based on geography, logistics, and military capability. Let’s take those objections in turn. First, geography. Werchado’s critique seemingly presupposes that a U.S. diesel contingent would be based on U.S. territory—in other words, no closer to East Asia than Guam. QED: diesels are a non-starter. They would be positioned too far from the Yellow and East China seas, a likely combat theater, to do much good. And indeed, the cruising-range limitations on diesel boats are real and immutable. But let’s not overstate their impact. Distance can be managed through savvy force dispositions on the map.

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In fact, if it does things wisely, the U.S. Navy can turn technical shortcomings to strategic and political advantage. Here’s how: it could procure a squadron of diesel boats in large numbers, station it permanently in the Far East, close to potential scenes of action, and place it under a combined U.S.-Japanese submarine command. Doing so would confer a host of benefits. Forward basing would obviate the range problem. For instance,  Soryu-class boats boast a cruising range of 6,100 nautical miles—more than adequate for prowling the depths in Northeast Asia. A U.S.-Japanese force founded on a common hull—whether the  Soryu or some other design—could presumably match or exceed this performance.