The US-led coalition withdrew on Sunday from a military base in northern Iraq that nearly launched Washington into an open war with neighboring Iran.\r\nThe K1 Air Base is the third site coalition forces have left this month in line with US plans to consolidate its troops in two locations in Iraq.\r\n\r\n\r\n\r\n\r\nA rocket attack on the base in late December killed one American contractor and lead to a series of tit-for-tat attacks between the US and Iran-backed Iraqi militia groups. The attacks culminated in the US-directed killing of top Iranian general Qassem Soleimani and senior Iraqi militia leader Abu Mahdi al-Mohandes.\r\nCoalition forces handed over the K1 air base in the northern Iraqi province of Kirkuk to Iraq\u2019s military, according to a coalition statement. At least $1.1 million of equipment was transferred to the Iraqis as 300 coalition personnel departed.\r\nK1 has hosted coalition forces since 2017 to launch operations against ISIS in the nearby mountainous areas. Areas south of Kirkuk, and north of neighboring provinces of Diyala, Salahaddin and Nineveh remain hot beds of ISIS activity.\r\nThe stretch of territory is also disputed between the federal Iraqi government and the autonomous Kurdish region, which has created security gaps benefiting ISIS militants. The coalition\u2019s presence had at times been a mediating presence between the two competing authorities.\r\nA senior coalition official earlier this month claimed ISIS forces weren\u2019t as able to exploit the \u201csecurity gap\u201d between Iraqi and Kurdish forces as the militants did in the past.\r\n\u201cThat doesn\u2019t necessarily mean that [ISIS] is free to operate in the way that they wish,\u201d said the official. \u201cThey\u2019re still pretty constrained.\u201d\r\nThe coalition official was speaking on condition of anonymity in line with regulations.\r\nUS-led forces have already withdrawn this month from Qaim, near the border with Syria and Qayara base, in Nineveh earlier. All were in line with plans to pullout from bases across Iraq and consolidate coalition forces in Baghdad and at Ain al-Asad Air Base in the country\u2019s western desert.\r\nThe plan has been in the works since late last year, the senior coalition military official said, and accelerated when Iraqi forces proved they were capable of facing the threat from the IS with limited coalition assistance.