 When the 32nd Division failed to advance, MacArthur became so concerned about the lack of progress that he sent General Robert Eichelberger, commander of I Corp, to report on the situation.MacArthur famously said to Eichelberger,

Eichelberger and his staff flew into Buna, and on December 2, he inspected the left or westward-lying U.S. front, the Urbana Force.Two of his staff officers, Colonels Martin and Rogers, inspected the right flank, which was designated the Warren Force.