Hephaestion Hypaspists

Hypaspists - " shield-bearer " in the Macedonian army of Philip II and Alexander the Great .
 Heirs of the ideas Theban gamippov . 
Organized in chiliarch - "thousands" . There were 3 or 6 thousand Hypaspists ( 3 or 6 chiliarch ) .
χιλίαρχος / χιλιάρχης, chiliarchos / chiliarches) - 
Macedonian and from ancient Egypt from the Ptolemaic post commander chiliarch , ie thousand lightly armed 
(from χίλιοι: = thousand) , although theoretically chiliarch , accounting for 1/16 of the phalanx and sharing 
pentesiarhii 2 or 4 syntagma [ 1 ] , or 64 Loja ( in Loja was 16 people . ) , it was a 1024 person .

Before going to India and passing through the Hindu Kush ( in modern Afghanistan ) , 
Alexander has made Hephaestion in " chiliarch "