http://perc.ca/PEN/2003-03/s-sanders.html

"When Grenada's popular revolutionary government leaders were killed under suspicious circumstances in a coup, the US claimed that they needed an invasion to protect US medical students, even though they were not in any danger. The US had previously conducted a practice invasion of Grenada that included the use of this pretext."

SOURCE: "Unravelling the Web of Pretexts for War" by Richard Sanders: Peace and Environment News (March 2003)