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.
American troops in Iraq had their first actual battle with ISIS troops after the Islamist militants tried to overrun a base, an encounter that left the ISIS troops decimated and in retreat. The attack took place near the Ein al-Asad base, which includes close to 100 U.S. military advisers.