 While the US 25th Infantry Division was advancing , the opposing PVA 39th Corps was waiting for instructions from the PVA High Command . But the Chinese still conducted a series of probing actions against the American positions on the night of November 25 . The Chinese patrols soon destroyed the rest of the Ranger Company , while numerous Chinese reconnaissance teams disguised as Americans infiltrated Task Force Dolvin 's positions . On the right of Task Force Dolvin , the mountainous terrains scattered US 24th Infantry Regiment while blocking most of its radio transmissions . Upon learning the destruction of the Ranger Company , Major General William B. Kean of the US 25th Infantry Division sent the 2nd Battalion of the 27th Infantry Regiment to reinforce Task Force Dolvin . He also sent the assistant division commander Brigadier General <unk> Wilson to command of the task force , renaming the task force " Task Force Wilson " . 
