Invasion of Kuwait their retreat. In early 1990 Iraq was accusing Kuwait of stealing Iraqi petroleum through slant drilling, although some Iraqi sources indicated Saddam Hussein's decision to attack Kuwait was made a few months before the actual invasion. Some feel there were several reasons for the Iraqi move, including Iraq's inability to pay the more than US$14 billion that it had borrowed to finance the Iran–Iraq War, and Kuwaiti high petroleum production levels which kept revenues down for Iraq. The invasion started on 2 August 1990, and within two days most of the Kuwait Armed Forces were either overrun by the Iraqi
Liberation of Kuwait campaign the U.S. Marines stopped at the outskirts of Kuwait City, allowing their Coalition allies to take and occupy Kuwait City, effectively ending combat operations in the Kuwaiti theater of the war. After four days of fighting, all Iraqi troops were expelled from Kuwait, ending a nearly seven-month occupation of Kuwait by Iraq. A little over 1,100 casualties were suffered by the Coalition. Estimates of Iraqi casualties range from 30,000 to 150,000. Iraq lost thousands of vehicles, while the advancing Coalition lost relatively few; Iraq's obsolete Soviet T-72 tanks proved no match for the American M1 Abrams and British Challenger tanks.