An unknown number of counterfeit aircraft parts are being fastened into U.S. military weapon systems after infiltrating supply depots, posing new safety risks and potentially driving up maintenance bills by hundreds of millions of dollars annually, according to Pentagon officials. This practice is an unintended consequence of two converging trends: globalization and Defense Department acquisition policies instituted in the 1990s that encourage use of commercial-off-the-shelf technology, according to Robert Ernst, head of aging aircraft studies for the Navy. "This is...
