It began with a thunderous bombing run by high-flying B-52s and ended with a surge of ground forces firing automatic weapons and rockets against a bank of targets.

The massive display of military firepower in a desert range about 70 miles northeast of this port city on Monday was the culminating act of Eager Lion, an annual two-week exercise planned by U.S. Marines and the Jordanian military to reassure the Mideast kingdom of American military support.

Although U.S. forces were stretched this year because of operations off Yemen and in Iraq and Syria, roughly 5,000 American servicemembers participated in the exercise, which was attended by top Jordanian military officials, as well as U.S. Army Gen. Lloyd Austin, commander of U.S. Central Command, and U.S. Ambassador to Jordan Alice Wells. […]