U.S. ASW efforts ramp-up to meet the growing threat of quiet diesel-electric submarines

THE MIL & AERO VIDEO BLOG, 24 Jan. 2012. The U.S. Defense Advanced Research Projects Agency (DARPA) has a few new anti-submarine warfare (ASW) tricks up its sleeve in the continuing struggle to counter the growing threat to U.S. aircraft carrier battle groups from quiet diesel-electric enemy attack submarines, as John Keller reports this week in the Mil & Aero Video Blog.