Why "Shesha!" ?

Shesha is a Zulu word meaning "fast" or "hurry up!". I was born and raised in South Africa, so the Zulu had a great influence on my early life. Shesha! just seemed to be an appropriate name for for a boat like the GIS. 
Shesha is pronounced as Share-sha

-shesha v/i. [ˈʃɛ:ʃa]

be fast; be quick; be rapid; be speedy

be hasty; be hurried; be in a hurry

hurry; get a move on

be urgent

Compounds and phrases (verbatim)

shesha [ˈʃɛ:ʃa] ← shesha Imperative singular of -shesha (v/i.)

be fast

Shesha is also a Hindu deity, or Naga.