Washington: US forces may have mistaken an enemy drone allegedly launched by Iran-backed groups for an American one and let it pass unchallenged into a desert base in Jordan where it killed three soldiers and wounded more than 40 others, officials said on Monday based on the findings of a preliminary report. This comes as the US faces a steep task of conducting a retaliatory action without causing any further escalation of the Israel-Hamas war in Gaza.Washington: US forces may have mistaken an enemy drone allegedly launched by Iran-backed groups for an American one and let it pass unchallenged into a desert base in Jordan where it killed three soldiers and wounded more than 40 others, officials said on Monday based on the findings of a preliminary report. This comes as the US faces a steep task of conducting a retaliatory action without causing any further escalation of the Israel-Hamas war in Gaza.