Good luck lol I depped in as an ABH in Feb. Haven't seen an ABH on here yet, I can answer general info gathered from others if you have any general questions about it,
There are 3 Types of AB's
ABH-Handlers
ABE-Launch and Recovery
ABF-Fuels
here is a post for general info on what each specialty is
http://www.navydep.com/forums/showthread.php?t=1708