U.S. Special Operations Command is delaying plans to buy additional Advanced SEAL Delivery System miniature submarines to focus on fixing reliability problems with the first sub, which has suffered developmental troubles for years. SOCOM had planned to buy a second and third ASDS by fiscal year 2011, but money for those subs will instead be reprogrammed to pay for additional work on the first sub, said Vice Adm. Eric Olson, deputy commander of SOCOM, at a briefing today. Upgrades initially...