. . . . . . "The 821st Aero Repair Squadron was a repair squadron during World War I"@en . . . . "821st Aero Squadron"@en . . . . . . "1542"^^ . . . "United States of America"@en . "1918"^^ . . . "1059395603"^^ . . "Repair & Maintenance"@en . . "1918"^^ . . "The 821st Aero Repair Squadron was a repair squadron during World War I"@en . "Repair & Maintenance" . . . . "United States of America"@en . . "821st Aero Repair Squadron"@en . . . . . . . . . . "30265826"^^ . . . . "1918"^^ . . . "821"^^ . .