Related to Grosse Bertha in assembly

French and colonial troops in field

1800 × 1124

US Army at Regimental Headquarters

3177 × 1867

Battalion HQs in Argonne Forest

3173 × 1836

French tank in museum display

1689 × 1267

Crew on the Mauretania

4841 × 3322

Your Country Needs You

885 × 1168

Battle of the Marne map

1241 × 961

Western Front 1917 map

1144 × 1110

Human American Eagle formation

2464 × 1888

WWI German biplane in flight

4827 × 2325

Biplanes in Dogfight

1680 × 1050

Biplane on Grass Field — Brown

1800 × 1218

Biplanes in Flight — Blue, Dramatic

2048 × 1536

Sopwith Camel biplane in flight

1093 × 739

WWI dogfight over Europe

2399 × 1148

WWI biplanes in flight

3200 × 1050

WWI dogfight over farmland

4797 × 2295

Biplane attacking barrage balloon

4797 × 2295

WWI dogfight between biplanes

1693 × 1056

WWI biplanes in flight

4800 × 2188

WWI biplane dogfight

4797 × 2295

WWI biplane dogfight

3264 × 2448

WWI dogfight between biplanes

1600 × 1200

Biplanes in flight over clouds

1142 × 1520