Sept 3 (Reuters) – The US-trained Afghan pilots and others held at a camp in Uzbekistan already feared being sent back to Taliban-ruled Afghanistan. Senator Jack Reed, a Democrat who chairs the Senate Armed Services Committee, said he was “deeply concerned” about the Afghan pilots and other forces there. In a dramatic episode, one of the Afghan aircraft collided with an Uzbek jet, forcing the pilots to eject. Besides dozens of pilots, there are Air Force maintenance personnel and other Afghan security forces at the camp. BIOMETRIC READINGSOn Wednesday, officials from the US government arrived at the camp to take biometric data from the Afghan personnel there, the pilot said.