FC1 Kial Hartwell is greeted by his children during the homecoming ceremony for the guided-missile destroyer USS O'Kane (DDG 77) at Joint Base Pearl Harbor-Hickam. O'Kane is returning from an independent deployment to the western Pacific in support of theatre operations. (MCS1 Holly L. Herline/Navy)
World War 2 re-enactors talk with Normandy veterans attending a wreath laying ceremony at the Tactical Air Force Memorial besides Omaha Beach at Vierville-sur-Mer in Normandy on June 4, 2018 near Bayeux, France. As the 74th anniversary of the D-Day approaches, some of the handful of surviving Normandy Veterans are making their way to France to commemorate the landings, which saw 156,000 troops from the allied countries including the United Kingdom, the United States and France join forces to launch an audacious attack on the beaches of Normandy which helped lead to the eventual defeat of Nazi Germany. (Matt Cardy/Getty Images)
Parachutes from France, Holland, Germany, Romania and the United States descend on to Iron Mike Drop Zone near Sainte Mere Eglise, France where paratroopers jumped into World War II 74 years ago. (Lt. Col. John Hall/Army)
People look at US soldiers landing with their parachutes during the 74th anniversary of the D-Day ceremony, commemorating the World War II Allied landing in Normandy in Sainte-Mere-Eglise, northwestern France on June 3, 2018. - The D-Day anniversary is celebrated on June 2 and June 3, 2018 instead of its real day June 6. (CHARLY TRIBALLEAU/AFP/Getty Images)
A US soldier claps in the hand of a child wearing a military uniform who attends the 74th anniversary of the D-Day ceremony, commemorating the World War II Allied landing in Normandy in Sainte-Mere-Eglise, northwestern France on June 3, 2018. - (CHARLY TRIBALLEAU/AFP/Getty Images)
The Air Force Thunderbirds create a heart shape in the sky during their aerial demonstration at Cannon Air Force Base, New Mexico. (Senior Airman Luke Kitterman/Air Force)
An Air Force A-10 Thunderbolt II assigned to the 163rd Fighter Squadron flies a mission over Afghanistan. (Staff Sgt. Corey Hook/Air Force)
An Air Force Reserve pararescueman from the 920th Rescue Wing jumps out of an HH-60G Pave Hawk helicopter on May 26th, 2018 during the 2nd annual Salute to American Heroes Air and Sea Show, in Miami Beach, Fla. This two-day event showcases military fighter jets and other aircraft and equipment from all branches of the United States military in observance of Memorial Day, honoring servicemembers who have made the ultimate sacrifice. (Staff Sgt. Jared Trimarchi/Air Force)
U.S. Marines take a part in a landing operation during a military Exercise Baltops 2018 at the Baltic Sea near village Nemirseta in Klaipeda district, some 340 kms (211 miles) west north of the capital Vilnius, Lithuania. Lithuania, Monday, June 4, 2018. A major U.S.-led military exercise with 18,000 soldiers from 19 primarily NATO countries has kicked off in the alliance's eastern flank involving Poland and the three Baltic states of Estonia, Latvia, Lithuania. (AP Photo/Mindaugas Kulbis)
Seth and Hannah Eaton, son and daughter of Col. Casey D. Eaton, 89th Airlift Wing commander, celebrate their fathers final flight as he arrives at Joint Base Andrews, Md., June 4, 2018 upon completion of 25 years of service. Eaton was responsible for worldwide special air mission airlift, logistics, aerial port and communications support for the president, vice president, cabinet members, combatant commanders, and senior military and elected leaders. (Staff Sgt. Kenny Holston/Air Force)
Staff Sgt. Jack Latham, a platoon sergeant with India Company, 3rd Battalion 7th Marines, attached to Special Purpose Marine Air-Ground Task Force, Crisis Response-Central Command, is sprayed with Oleoresin Capsicum during a non-lethal weapons course. (Cpl. Teagan Fredericks/Marine Corps)
Staff Sgt. Ryan Essenmacher, an explosive ordnance disposal team leader with the 720th Ordnance Company (EOD) from Baumholder, Germany, prepares a simulated explosive for removal on the Crash Site lane at Fort A.P. Hill, June 3, 2018. EOD teams are assessed on operations and associated tasks required to provide EOD support to unified land operations to eliminate and/or reduce explosive threats. (SPC. Shekinah M. Frye/Army)
A Coast Guard vessel patrols in the Miami harbor entrance known as Government Cut in Miami, Florida June 2, 2018. (RHONA WISE/AFP/Getty Images)