An nada shi Mataimakin Darakta na Kula da Lafiya XXX Corps, amma da sauri ya koma a watan Fabrairun 1943 don zama Mataimakin Darakta na Kula da Lafiya na Rundunar Soja ta Takwas, a lokacin da ya zo karkashin sabon rukunin rundunar sojojin 18th don ba da damar daidaitawa tsakanin sojojin da ke karkashin jagorancin Birtaniya da Amurkawa. A matsayin DDMS, Sojoji na takwas kuma a lokacin Brigadier (na wucin gadi), a karkashin Field Marshal Montgomery, ya shiga cikin tsarawa da aiwatar da Operation Husky,
mamayewar Sicily a watan Yulin 1943 wanda a wannan lokacin shi ne mafi girman harin amphibious da aka taɓa yi. An ambace shi a cikin Wasiku "a cikin girmamawa ga ayyuka masu daraja a Sicily" don aikinsa a wannan lokacin. Daga Yuli 1943 zuwa 1944 shi ne Mataimakin Daraktan Kula da Lafiya na 3rd Advance Base.