Correct, you win.
Sorry, Delpen got this one...
A pro at heavy weapons,
he would do anything to save his brethren.
Trained in the program,
with the final company.
Trained by a legend,
his death was full of agony.
He will be remembered,
as he was the first casualty.
Hint 1: It is a Spartan.
Hint 2: He is in one of the books.