Taipei, Aug. 5 (CNA) Reservists from the Taipei City Reserve Brigade on Wednesday carried out rifle and mortar drills at a Taipei high school on the first day of Taiwan's annual Han Kuang military exercises as part of a full-brigade mobilization exercise. In Taipei, dozens of recalled reservists from the brigade gathered at Taipei Municipal Zhong Zheng Senior High School, where they underwent rifle and simulated mortar training. Taipei City Reserve Brigade reservists assemble a 120 mm mortar under an instructor's guidance at Taipei Municipal Zhong Zheng Senior High School during Han Kuang 42 military exercises on Wednesday. The Taipei City Reserve Brigade, along with the Army's 137th Infantry Brigade, was selected by the MND to validate full-brigade mobilization exercises. The two brigades account for about 5,000 of the 20,000 reservists called up for the Han Kuang exercises, according to the MND.