Rubuta ci gaba don wannan sakin layi - Bayan saukar da ba na yaƙi ba a tsibirin Leyte a cikin Philippines, Rukunin Yakin Rukunin 503 (RCT) ya yi babban saukowa a tsibirin Mindoro a tsakiyar Philippines a ranar 15 ga Disamba, 1944. Asali, an yi nufin 503rd ya yi tsalle a kan Mindoro, amma saboda rashin isasshen kayan aikin filin jirgin sama a Leyte, saukowar iska ba ta yiwu ba. A Lokacin Yaƙin Mindoro
, 503rd an yi amfani da shi a cikin iska da kuma ayyukan ruwa, a wani lokaci an harbe shi har tsawon minti 25 ta hanyar aikin soja na Japan. Wani kamfani na 503rd RCT ya shiga cikin mummunan yaƙi da rundunar sojojin Japan da ke kare wani tashar faɗakarwa ta iska a arewacin tsibirin. Nasarar aikin Mindoro ya baiwa Sojojin Sama na Sojojin Amurka damar ginawa da gudanar da filayen jiragen sama da kuma ci gaba da tashoshin jiragen sama don tallafawa saukowa daga baya a Philippines a Lingayen Gulf, Luzon.