Kammala wannan jumla: A watan Maris-Afrilu 1918, Shang ya yi yaƙi a kusa da Dernancourt a Somme, Faransa, inda aka yi amfani da Battalion na 47 a cikin
kariya daga Amiens. A cikin hanyar "mafi girman harin da 'yan Australiya suka taɓa fuskanta a wannan ko kuma kowane yaƙi", Brigade na 12 na Australiya da Brigade na 13 na Australiya sun fuskanci ƙungiyoyi biyu da rabi na sojojin Jamus kuma sun yi asarar rayuka 1,230. Duk da wadannan asarar, tsananin juriya na 4th Australian Division a Dernancourt da 3rd Australian Division a Villers-Bretonneux sun dakatar da hare-haren bazara na Jamus. Don ayyukansa a kusa da Dernancourt, an ba da shawarar Shang don Bar ga DCM a ranar 8 ga Afrilu 1918. A cikin shawarwarinsa, kwamandan Brigade na 12 na Ostiraliya, Birgediya Janar John Gellibrand, ya rubuta: