Roster of the Fifth Area Squadron, Signal Corps, Thanksgiving, 1917. It was sent to his relatives here in Vacaville by Sgt. Walter Albert Hilden from Kelly Field, Texas whwere he was in training for WW-I at that time in 1917..

Roster of the Fifth Area Squadron, Signal Corps, Thanksgiving, 1917. It was sent to his relatives here in Vacaville by Sgt. Walter Albert Hilden from Kelly Field, Texas whwere he was in training for WW-I at that time in 1917..

Roster of the Fifth Area Squadron, Signal Corps, Thanksgiving, 1917. It was sent to his relatives here in Vacaville by Sgt. Walter Albert Hilden from Kelly Field, Texas whwere he was in training for WW-I at that time in 1917..

Roster of the Fifth Area Squadron, Signal Corps, Thanksgiving, 1917. It was sent to his relatives here in Vacaville by Sgt. Walter Albert Hilden from Kelly Field, Texas whwere he was in training for WW-I at that time in 1917..

Roster of the Fifth Area Squadron, Signal Corps, Thanksgiving, 1917. It was sent to his relatives here in Vacaville by Sgt. Walter Albert Hilden from Kelly Field, Texas whwere he was in training for WW-I at that time in 1917..

Post card sent to his brother, Roy L. Hilden by Sgt. Walter A. Hilden on Sept. [...]

Post card sent to his brother, Roy L. Hilden by Sgt. Walter A. Hilden on Sept. [...]

1917 picture of the Fifth Aero Squadron stationed at Kelly Field, Texas during WW-I. One long picture divided into several parts to be photographed..

Post card sent to his brother, Roy L. Hilden by Sgt. Walter A. Hilden on Sept. [...]

Post card sent to his brother, Roy L. Hilden by Sgt. Walter A. Hilden on Sept. [...]