2 Answers 2. The Moon has an orbital eccentricity of 0.0549, so its path around the Earth is not perfectly circular and the distance between the Earth and the Moon will vary from the Earth's frame of reference (Perigee at 363,295 km and apogee at 405,503 km), see for example second animation explaining Lunar librations in this answer.
The attack was part of the Al-Anfal Campaign in northern Iraq, as well as part of the Iraqi attempt to repel the Iranian Operation Zafar 7. It took place 48 hours after the fall of the town to Iranian army. The attack killed between 3,200 and 5,000 people and injured 7,000 to 10,000 more, most of them civilians.
The last U.S. troops left Iraq on 18 December 2011, in accordance with this agreement. US Forces, in the form of air support, resumed operations in Iraq in June 2014, to defend it against ISIS.n 13 September 2007, President Bush announced that the 168,000 American troops in Iraq at that time would be reduced by 5,700 by Christmas and that additional troops would be withdrawn bringing the total U.S. troop level down from 20 to 15 combat brigades by July 2008.