18 is simply the year.

http://www.jordantimes.com/news/local/jordan-attends-eager-lion-2018-preparatory-meeting

>>1243311

KEK

http://www.centcom.mil/MEDIA/NEWS-ARTICLES/News-Article-View/Article/1179543/eager-lion-exercise-a-keystone-event-in-us-jordan-partnership-integration/

>>1243493

Excellent article!

http://www.centcom.mil/MEDIA/NEWS-ARTICLES/News-Article-View/Article/1179543/eager-lion-exercise-a-keystone-event-in-us-jordan-partnership-integration/

Wiki

>>1243501

Check the date!

Eager Lion 2018 Culmination Video