dˈʊɹɹɪŋ ðə pənˈɪnsjʊlɚ wˈɔːɹ, hiː ɐsˈuːmd kəmˈænd ˌoʊvɚ sˌʌm twˈɛlv,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ tɹˈuːps, dᵻfˈɛndɪŋ ðə pˈæsᵻz ʌv ɡwˌɑːdɐɹˈɑːmə, fˈɑːnfɹiə, nˌævɐsɪɹˈɑːdə ænd sˈɑːmoʊsˌɪɹə ɪnðə mˈaʊntɪn ɹˈeɪndʒ tə ðə nˈɔːɹθ ʌv mədɹˈɪd.
During the Peninsular War, he assumed command over some 12,000 troops, defending the passes of Guadarrama, Fonfría, Navacerrada and Somosierra in the mountain range to the north of Madrid.