President Obama has met the American special forces that killed the al-Qaeda leader Osama Bin Laden on Monday morning._______________________________________. In a speech afterwards to American troops, he said the operation against Osama Bin Laden was a "job well done".
At a private ceremony at a military base in Kentucky, he awarded them the Presidental unit??
the highest on earth of its kind for military unit.中间那个单词是什么听不出。