It's all part of a military exercise that simulates going after a high-value target [...] the assault force demonstrates crucial military steps before capturing and eliminating him. Three weeks of U.S.-led counterterrorism exercises, known as Flintlock 2017, ended last month in Chad, which, along with surrounding countries, has been targeted in deadly violence by Boko Haram. The Flintlock exercises take place each year in a different African country.