Diagram of UC-5 submarine

1680 × 1050

USS Delaware battleship

5281 × 2897

Soldiers in gas masks on a dirt road

2800 × 2199

Mort-Homme Ridge After Battle

1021 × 729

Pilot and officer by biplane

2800 × 2050

Early tank on display

1335 × 750

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

Your Country Needs You

885 × 1168

Human American Eagle formation

2464 × 1888

Recruits on the USS Recruit

1622 × 1182

World War I tank on display

2016 × 1512

French tanks in World War I

3702 × 2794

Soldiers on a tank with an airship

998 × 795

World War I tank on display

1689 × 1267

German Imperial War Flag

1920 × 1200

German WWI biplanes on airfield

1098 × 720

Grosse Bertha in assembly

900 × 1272