The last radio contact was an appeal for help. Night was falling, a rainstorm was threatening, and four Navy SEAL commandos were surrounded by about a dozen militants in wooded mountains. They needed reinforcements. That hurried call set into motion a chain of events that would lead to the US military’s deadliest blow in Afghanistan, and the greatest loss of life ever for a force of SEAL commandos. Nine days after the ambush and downing of a US special forces helicopter with 16 troops aboard, US military officials in Kabul and Washington are giving more details about what might have happened to cause the ambush. Full Story