Chitose Air Base, Japan, Sept. 1957: Mary R. Birdsall, who teaches second and third grades at the Chitose Dependent School, checks the texts her pupils will begin using for the 1957-’58 school year.

Bosnia and Herzegovina, June 4, 1997: U.S. Army UH-60 Black Hawks with Task Force 2nd Battalion, 2nd Infantry, and 2nd Russian Brigade soldiers on board, rapidly descend in an open area near Camp Bedrock to set up a security checkpoint.

Wiesbaden, Germany, Dec. 22, 1946: Maj. Gen. Idwal H. Edwards, commanding general of USAFE (standing at the lectern, right), and other officials are shown at the rededication ceremony of the Jewish Synagogue Center of Wiesbaden.

Afghanistan, Aug. 2, 2010: A soldier from A Company, 2nd Battalion, 327th Infantry Regiment looks out over the Kunar River road in Spin Kay, a site of frequent attacks by insurgents in the mountains on either side of the river.

Taipei, Taiwan, June 15, 1965: Actor William Holden signs autographs while attending the 11th Asian Film Festival, held for the first time in Taiwan at the Taipei Sports and Cultural Center.

Muqdadiya, Iraq, Dec. 7, 2006: Spc. David Flowers, 31, of Baltimore and the 15th Engineer Company, stands beside an upturned road grader moments after he tumbled down an embankment inside the piece of heavy equipment during a route sanitation mission.

Ramstein, Germany, April 6, 2009: Ronnie Juhans, left, an outdoor adventure leader, and Katt Gatke, 10, work to keep a parachute afloat during the first day of BRAT adventure camp.

Kimbo Air Base, South Korea, Aug. 26, 1956: Mail is unloaded from an Air Force Globemaster. The Army Postal Service delivered more than four million pounds of mail and packages to Korea-based soldiers in the first six months of 1956.

Joint Base Myer-Henderson Hall, Va., Sept. 25, 2015: Gen. Joseph Dunford Jr. salutes as Marines march past during a farewell ceremony for Dunford’s predecessor as chairman of the Joint Chiefs of Staff, Gen. Martin Dempsey.

Eastern Babil Province, Iraq, Jan. 30, 2009: Sgt. 1st Class Brendon Hollingsworth, platoon sergeant for Troop E, 5th Calvary Regiment, gives an Iraqi boy a push on the tire swing he helped rig up near a polling station.

Frankfurt, Germany, January 1957: Chief nurse Maj. Ruth Steenburgh puts a newborn baby into the arms of its happy mother at the 97th U.S. Army Hospital.

Tokyo, March 1963: A balmy spring day provided the ideal setting for walking the dog at the Washington Heights housing area.

Frankfurt, Germany, April 17, 1949: A little girl looks triumphant holding not one, but two easter baskets filled with eggs and a chocolate bunny as her friends around her look less pleased.

Camp Bedrock, Bosnia and Herzegovina, Sept. 2, 1997: A road sign tree shows directions and distances to the hometowns and home bases of the troops stationed at Camp Bedrock.

Annapolis, Md., May 11, 2015: Plebes participate in the “wet and sandy” portion of the U.S. Naval Academy’s annual Sea Trials in Annapolis, Md.

Yokosuka, Japan, May 6, 2003: Kitty Hawk sailors show the colors as the ship pulls into its home port.

Keukenhof, Lisse, The Netherlands, April 5, 2019: Pink tulips stretch to greet the spring sunshine.

Kandahar Air Field, Afghanistan, June 15, 2011: Pfc. Kyle Hockenberry, who was injured in an improvised explosive device attack near Haji Ramuddin, is treated by flight medic Cpl. Amanda Mosher while being transported by medevac helicopter to the Role 3 hospital.

Okinawa, Japan, Dec. 4, 2018: A Marine with the 9th Engineering Support Battalion takes part in a drill at the Jungle Warfare Training Center.