Navy Growlers over the Arabian Sea, soldiers with "The Old Guard" in action, Marine officer candidates challenged and more in this week's Frontline Photos.
The fledgling service is creating a program to determine which candidates are the best fit to join the Space Force after graduating from the U.S. Air Force Academy
Best Ranger competition at Fort Benning, Air Force special tactics and combat rescue officer assessments at Hurlburt, and more in this week's Frontline Photos.