(a)to promote the efficiency of the armed forces and in particular the corps of royal engineers (hereinafter referred to as the royal engineers); (b)to promote the activities of the royal engineers association and the institution of royal engineers as laid down in their respective charters; (c)to foster an esprit de corps in the royal engineers; (d)to relieve either generally or individually necessitous persons being members or former members of the royal engineers or the dependants of such persons (hereinafter referred to as the beneficiaries)