A seemingly innocuous bill praising the Army pilot downed over North Korea is running into resistance in the Senate.

With an Army investigation into Chief Warrant Officer Bobby Hall's performance before and after his capture by the North Koreans continuing, several Republicans have halted a bill commending the pilot."It relates to the completion of the Department of Defense investigation, and I hope when that's completed the hold will be lifted," Sen. Bob Graham, D-Fla., said Wednesday.

The Army is examining how Hall flew his light reconnaissance helicopter so far off course that he strayed about 10 miles across the demilitarized zone and into North Korea. The probe is also looking into the circumstances in which Hall signed a statement while in captivity.

A congressional source said the Army had privately conveyed a concern about the resolution, reminding lawmakers that the investigation was not yet complete.