Representatives of Austrian army recruits swear an oath during the National Day celebrations in Vienna, Austria, on Oct. 26, 2025. (Xinhua/He Canling)

Helicopters fly over Hofburg during the National Day celebrations in Vienna, Austria, on Oct. 26, 2025. (Xinhua/He Canling)

Austrian army recruits swear an oath during the National Day celebrations in Vienna, Austria, on Oct. 26, 2025. (Xinhua/He Canling)

Austrian President Alexander Van der Bellen (R, front) and Chancellor Christian Stocker (L, front) review army recruits during the National Day celebrations in Vienna, Austria, on Oct. 26, 2025. (Xinhua/He Canling)

Members of Austrian military music band attend the National Day celebrations in Vienna, Austria, on Oct. 26, 2025. (Xinhua/He Canling)

Austrian army recruits participate in the National Day celebrations in Vienna, Austria, on Oct. 26, 2025. (Xinhua/He Canling)

Austrian Guard of Honour perform during the National Day celebrations in Vienna, Austria, on Oct. 26, 2025. (Xinhua/He Canling)