Cika wannan jumla:
Yaƙin Leyte, sojojin Volckmann sun kawar da waɗancan rukunin 'yan sanda na Philippine da Jafananci suka kirkira, waɗanda ba su yi ba. Volckmann ya shirya sojojin Commonwealth da juriya na 'yan tawaye a tsakanin Battalion na 11 na Ifugao: wanda Lieutenants na 1 suka jagoranta: Francisco Balanban, Kamfanin Alpha; Guinid Tuguinay, Kamfanin Bravo; Pedro Dulnuan Sr., Gudanarwa. Sojojin Volckmann sun yi aiki a gabar yamma da arewacin Luzon, suna kai hare-hare kan mamayewar Japan. A lokacin mamayewar Amurka da Filipino na Philippines a watan Janairun 1945, 'yan tawaye na Volckmann sun yanke mahimman hanyoyin sadarwa da gadoji da kuma ware barikin. Da zarar mamayewa ya sauka, ya jagoranci hare-haren da aka yi wa sojojin Japan da suka koma baya a bayan layin, suka kama sansanoni da filayen jiragen sama, don haka ya ba da damar ci gaba da Amurkawa a cikin sauri.