If you have completed the whole pipeline, you will be promoted to E-4 for both Swick and EOD. Swick's rating is SB (Special Warfare Boat Operator), and EOD, well EOD.
So, if you completed Swick's Pipeline, you will be SB3(SWCC) Nick (<-- insert your last name there), or if EOD Pipeline, EOD3(EWS)* Nick Last name.
*EWS - Explosive Ordnance Disposal Warfare Specialist.
Furthermore, you will get half of the, promised, bonus as well. Do yourself a favor and do not blow it on a brand new car (or girls at the nearest strip joint).
Ex-EOD1, USN. '99-'09.