Est. — a living archive
The objects they carried,
preserved for the ones who come next.
COGG safeguards the medals, letters, uniforms, and photographs of the Greatest Generation — building a public record of the men and women who lived through the Second World War, one artifact and one story at a time.
Our Mission
Every letter written from a foxhole, every dog tag returned in a shoebox, every photograph tucked into a Bible — each one is evidence that they were here.
We work with families, museums, and historical societies to catalog, authenticate, and share the material record of WWII veterans — combining traditional conservation with AI-assisted review and, where possible, digital 3D preservation.
From the collection
Recently added artifacts

1944
155mm “Long Tom” Gun Firing in the Nettuno Area

1944
2nd French Armored Division Tank Disembarks from LST on Utah Beach

1944
34th Infantry Division Soldiers Examine Dead German Sniper at San Vittore

1944
35th Infantry Division Patrol Examines Knocked-Out German Tank in Pontfarcy, France

1944
35th Infantry Division

1944
36th Infantry Division Troops Board LCIs for the Invasion of Southern France
Map & Timeline
Trace artifacts across theaters and years, from Pearl Harbor to V-J Day.
Open the map →The Archive
Browse over a thousand catalogued items — medals, letters, uniforms, photographs.
Browse artifacts →Submit an artifact
Have something in a shoebox at home? Help us preserve it before it's lost.
Start a submission →