Troides helena common in many of the localities in which it occurs, was classified as vulnerable in 1985. Helen in Greek mythology Helen was the daughter of Zeus. Cerberus or Kerberos, in Greek and Roman mythology, is a multi-headed hound which guards the gates of the Underworld. This species is protected under Wild Animals Protection Ordinance Cap 170 in Hong Kong. The common birdwing is protected in Indonesia and may also require protection in peninsular Malaya also. It is listed in Appendix II of Convention on the International Trade in Endangered Species of Wild Flora and Fauna (CITES) as are all other
Brigade of the Guards Forces (along with the Armoured Corps). The Brigade of Guards was raised in 1949 on the lines of the elite 'Guards' units of the world, particularly, the Coldstream Guards of the British Army's Guards Division. The regiment was raised to implement the government's policy of encouraging Army recruitment from classes and regions which had been under-represented in the forces. Raised as The Guards Brigade, the old system of class composition was replaced with recruitment open to all regions, castes, creeds, and sections of society. Prior to the raising of the Guards, Indian Army infantry regiments derived their name and troop