 After the war concluded, Cordero returned to the reserve for six months, then taking command of the Puerto Rico National Guard's 296th Combat Group.On September 10, 1950, Cordero was activated again due to the Korean War, commanding the 296th and overseeing Campamento Tortuguero, Campamento Salinas and Forts Losey and the Henry Barracks.When World War II came to an end, Cordero Dávila returned to Puerto Rico and assumed the commanded of the 296th Regimental Combat Team.