Frémont worked hard to the win California for the United States. He became its military governor. Carson took military records to the Secretary of War in Washington, DC. Frémont wrote, "This was a service of great trust and honor ... and great danger also." In 1847 and 1848, Carson made two quick trips to Washington, DC with messages and reports. In 1848, he took news of the California Gold Strike to the nation's capital.