Tuhia he haere tonu mo tenei whitianga - Mai i te Maehe 1941 ka hoki a Barber ki te General Staff hei GSO1, tae noa ki te tango i te whakahau, i te Oketopa, o te 46th (Highland) Infantry Brigade, e arahi ana i te Pakanga o Normandy i te raumati o 1944. Mai i te 3 o Akuhata 1944, i whakatairangahia a Barber ki te mahi rangatira, i whakahau ia i te 15th (Scottish) Infantry Division mo te toenga o te pakanga i te raki-hauauru o Uropi
He aha? I tenei pakanga, ko te 15th Division te wehewehe ki te arahi i nga whakawhiti awa nui e toru o te Seine, te Rhine me te Elbe me Barber i whakawhiwhia ki te paepae ki tana DSO.