Ka cika wannan magana: An kwantar da Clarke a asibiti don gajiya da kuma ciwon zuciya a shekara ta 1943. Bayan ya dawo daga hutu na rashin lafiya, ya yi aiki daga Janairu zuwa Oktoba 1944 a matsayin Shugaban Ma'aikata ga Kwamandan Kwamandan Amphibious Training, Atlantic Fleet, wanda ya horar da ma'aikata don sauka a Sicily, Anzio, Normandy, da
kudancin Faransa. Sakataren Sojojin Ruwa, James Forrestal, ya sanya hannu kan wata sanarwa da ta ba Kyaftin Clarke lambar yabo ta Zinare a maimakon na biyu na Legion of Merit don aikinsa a cikin wannan "aikin da ke da matukar muhimmanci... da kafa da kuma kula da babban yanayin shirye-shiryen yaƙi na jiragen ruwa da jiragen ruwa".