Rubuta ci gaba ga wannan sakin layi - Bayan wani sihiri da ke samar da garuruwan Paris, an umurci 9th Light zuwa Normandy a lokacin rani na 1803 don shirya don mamaye Ingila. Zuwa ƙarshen shekara an tura rundunar ta teku zuwa sansanonin da aka kafa a kusa da Boulogne. An kafa 9th Light a sansanin Montreuil kusa da Étaples, wanda ya kafa Brigade na 1 na rukunin Janar Dupont a cikin Marshal Ney na VI Corps na Grand Army. A watan Agusta 1805 An umurci Ney's Corps ya bar bakin tekun Channel kuma ya yi tafiya zuwa Jamus don fuskantar sojojin Austro-Rasha da ke taruwa a kan Danube. An rarrabe 9th Light a Haslach a ranar 11 ga Oktoba kuma ya shiga cikin bin sojojin Austriya da ke ƙoƙarin tserewa daga birnin Ulm. An canja shi zuwa VII Corps karkashin Marshal Mortier, 9th Light ya sake bambanta kansa a Dürenstein a ranar 11 ga watan Nuwamba 1805. Bayan wannan yaƙin, an yi la'akari da rukunin Dupont ya gaji kuma an aika shi zuwa garrison Vienna. Saboda haka 9th Light ya rasa Austerlitz
, yaƙin da ya ƙare yaƙin a ranar 2 ga Disamba, 1805.