I made E-4 (in 2 yrs) with 2 yrs time-in-grade before I got out. Typically, depending on your duty station, field promotions happen faster if you have an active "mission duty" MOS.
LOOSE LIPS SINK SHIPS!!! Do not compromise your own safety or the security of any military operation by naming both yourself and your loved ones, locations, units, adresses, personal background info, etc. Parasites ALWAYS need a host...and they NEVER say thank you, but, without you, they CANNOT survive. ===>>OPSEC ENFORCED AT ALL TIMES<<===[My5:http://www.myspace.com/kendigremodeling]