"1920" . . . "Sussex" . . "Sussex_Fortress_Royal_Engineers#2/2nd_Sussex_Army_Troops_Company" . . . . . . "Sussex Fortress Royal Engineers" . . "Sussex_Fortress_Royal_Engineers#1/1st_Sussex_Army_Troops_Company" . . "Fortress engineers" . "Sussex (Fortress) Royal Engineers" . . . . . . "1908" . "Sussex Fortress Royal Engineers" .