Task: Question Generation
Input (English): Passage: In 1958 the Tenth Regiment was reactivated. The unit today wears the buffalo symbol. 1st Squadron, 10th Cavalry was assigned to Fort Lewis, Washington, on 1 September 1963, as the eyes and ears of the 4th Infantry Division. 2nd Squadron, 10th Cavalry was activated on 1 July 1957 and consolidated with the 7th Recon Company transferring, less personnel and equipment, to Korea from Germany. It was assigned to the 7th Infantry Division. It was transferred with 7th Division to Fort Ord, California, in December 1976. 2nd Squadron, 10th Cavalry  served as the 7th Division's helicopter borne reconnaissance asset. It had a scout troop , Lift Troop , Attack troop  and a ground troop of scouts in jeeps. The Squadron was reorganized in August 1985 as a reconnaissance squadron under the Infantry Division  configuration. The unit was deactivated and replaced by an element of the 9th Cavalry prior to the 7th Divisions eventual de-activation and depart from Fort Ord.
Output (English): Which squadron was activated first?