 | The Crest
The motto, Vigilant & Ready, describes the ADSD's watchfulness as well as its units' operational readiness.
The stylised projectile and radar dish of its logo symbolically reinforce the motto.
The red projectile, set to take off, represents a lean, potent and ready Air Defence Force.
The radar dish stylistically denotes the ADSD's vigilant sensors.
The black-and-white background represents ADSD's day and night capability while the grid squares and azimuth lines illustrates all-terrain as well as air capabilities.
A union of the Singapore Air Defence Artillery (SADA) and the Air Force Systems Command (AFSC), the Air Defence Systems Division was formed on 1 June 1995. The ADSD combines the SADA's ground-based air defence and AFSC's airspace surveillance specialisations for enhanced operational synergy and better manpower utilisation. It comprises a Divisional Headquarters and three functional brigades - Air Defence Brigade, Air Force Systems Brigade and Divisional Air Defence Artillery Brigade.
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