Related to biplane in flight

Soldiers at a ruined bunker

2800 × 2030

Soldiers in gas masks on a dirt road

2800 × 2199

Mort-Homme Ridge After Battle

1021 × 729

German Imperial War Flag

1920 × 1200

French tank in museum display

1600 × 1200

1st Field Artillery Brigade formation

881 × 658

Early tank on display

1335 × 750

Grosse Bertha in assembly

900 × 1272

French and colonial troops in field

1800 × 1124

Soldiers operating artillery gun

1531 × 1118

Battalion HQs in Argonne Forest

3173 × 1836

US Army at Regimental Headquarters

3177 × 1867

French tank in museum display

1689 × 1267

Soldiers on a train car

3154 × 1889

Crew on the Mauretania

4841 × 3322

Soldiers with artillery in forest

1798 × 921

Your Country Needs You

885 × 1168

German soldiers in field

1087 × 1600

Battle of the Marne map

1241 × 961

Soldiers in a trench

1647 × 1950

Naval fleet with seaplanes

2750 × 1597

U.S. Atlantic Fleet ships

2383 × 1500

F-15 fighter jet in flight

3000 × 1993

Soldiers operating artillery gun

1531 × 1118