A butt for dreary jests, a homely beast to look upon, the U.S. mule—4,500,000 strong—is again coming into his own. Farmers, threatened with a tractor shortage, are buying mules. The U.S. Army ...

While the Army initially awarded a $162 million contract to GDLS in November, the service in February opted to allow the four contractors to recompete for the privilege of building the mule ...