SCHUYLER MOORE
In the summer of 1943, the American submarine USS Tinosa came upon the Tonan Maru, a Japanese oil tanker supporting the imperial fleet. The American submarine spent an entire day and 15 torpedoes trying to sink the Maru, which escaped with light damage after all but one of the U.S. weapons failed to explode on target. Sadly, this episode was hardly unique: more than 70 percent of the sub fleet’s Mark XIV torpedoes malfunctioned during the first two years of World War II.It turned out that the Mark XIV had only been tested in shallow, calm water, at targets that were closer than was realistic, and from barges that did not accurately simulate the effect of firing from submarines. Most importantly, few submariners were part of the testing. When the torpedoes were fired in the deep, choppy water of the Pacific, they neither ran correctly nor consistently detonated.
The enduring lesson? Mature technologies must be put in the hands of the user as quickly as possible to debug, iterate, and improve their capabilities. The commercial sector intuitively knows this. Apple would never release an iPhone without extensive tests and user feedback. (And when it doesn’t, it accidentally releases a phone that doesn’t work for left-handed users; “Antennagate,” anyone?)
Real-world testing is even more important for military equipment. Apple may replicate how and where someone might use an iPhone with some precision, but you will have a harder time precisely replicating how a soldier, sailor, airman, or guardian would use technology in the field, where performance is affected by temperature, geography, weather, and available facilities. A quadcopter might have a perfect record from a company’s launch pad in the U.S. but struggle to take off in the windy mountains of Germany. A fast boat might run well off the coast of Rhode Island, but only half as long in the hot, salty, choppy waters of the Arabian Gulf.







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