A convoy of Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment arrives in Koper, Slovenia from Germany May 28, 2019 to begin preparations for the exercise Astral Knight 19. AK 19 is a multinational combined exercise designed to test i...

U.S. Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment unload equipment from vehicles as they prepare to kick off exercise Astral Knight 19 in Koper, Slovenia May 28 2019. AK 19 is a multinational combined exercise designed to test i...

U.S. Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment prepare their area of operations in preparation of exercise Astral Knight 19 in Koper, Slovenia May 28, 2019. AK 19 is a multinational combined exercise designed to test integrat...

A U.S. Soldier with the 5th Battalion 7th Air Defense Artillery Regiment sets up communications equipment to begin preparations for exercise Astral Knight 19 in Koper, Slovenia May 28, 2019. AK 19 is a multinational combined exercise designed to test...

U.S. Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment set up communications equipment to begin preparations for exercise Astral Knight 19 in Koper, Slovenia May 28, 2019. AK 19 is a multinational combined exercise designed to test ...

U.S. Soldiers from the 5-7 Air Defense Artillery Battalion meet with Slovenian soldiers as they set up for Astral Knight 19 in Koper, Slovenia May 28, 2019. AK 19 is a multinational combined exercise designed to test integrated air and missile defens...

U.S. Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment set up the Patriot missile defense system as they prepare to kick off exercise Astral Knight 19 in Koper, Slovenia May 28 2019. AK 19 is a multinational combined exercise designe...

U.S. Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment set the Patriot missile defense system in place to get ready for the exercise Astral Knight 19 in Koper, Slovenia May 28 2019. AK 19 is a multinational combined exercise designed...

U.S. Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment set the Patriot missile defense system in place to get ready for the exercise Astral Knight 19 in Koper, Slovenia May 28 2019. AK 19 is a multinational combined exercise designed...

U.S. Soldiers from the 5th Battalion 7th Air Defense Artillery Regiment move equipment as they prepare to kick off exercise Astral Knight 19 in Koper, Slovenia May 28 2019. AK 19 is a multinational combined exercise designed to test integrated air an...

KOPER, Slovenia-U.S. Soldiers with the 5th Battalion 7th Air Defense Artillery Regiment arrived in waves to Koper, Slovenia May 28 to set up communications equipment and Patriot Missile Defense Systems for the joint exercise Astral Knight 19.

Astral Knight 19 is a multinational combined exercise designed to test integrated air and missile defense capabilities. The exercise involves a combination of flight operations and computer-assisted scenarios.

This is the first exercise of its kind sponsored by the U.S. Air Forces in Europe and includes U.S. Army and members of the Slovenian, Croatian and Italian forces.

The exercise takes place in Koper and Divaca, Slovenia as well as locations around Germany, Italy and the Republic of Croatia.

"The overall goal of the exercise is interoperability with our allies," said Lt. Sang Han, fire control platoon leader with A Company, 5-7 ADA. "Being here to represent our support is an awesome opportunity."