Exhibit 21.1

GenCorp Inc.

100% Owned Subsidiaries

Name of Entity	State of Incorporation
Aerojet Rocketdyne, Inc.		Ohio
Aerojet International, Inc.		California
Aerojet Investments Ltd.		California
Aerojet Ordnance Tennessee, Inc.		Tennessee
Aerojet Rocketdyne of DE, Inc.		Delaware
Arde, Inc.		New Jersey
Arde-Barinco, Inc.		New Jersey
BPOU LLC		Delaware
Chemical Construction Corporation		Delaware
Cordova Chemical Company		California
Cordova Chemical Company of Michigan		Michigan
Easton Development Company, LLC (5% owned by Aerojet Rocketdyne, Inc.)		California
AGC Office 1 LLC		California
Eurojet Space Propulsion Limited		United Kingdom
European Space Propulsion Limited		United Kingdom
GT & MC, Inc.		Delaware
General Applied Science Laboratories, Inc.		New York
PJD, Inc.		Delaware
TKD, Inc.		California
Easton Development Company, LLC (95% owned by GenCorp Inc.)		California
Novadyne Energy Systems LLC		Delaware
Energetic Energy Technologies Limited		Hong Kong, China
GDX Automotive SAS		France
Snappon SA		France
GDX LLC		Delaware
RKO General, Inc.		Delaware