Leading the Way in Military Medicine. 1  Walter Reed National Military Medical Center. 2  Naval Medical Center Portsmouth. 3  Naval Medical Center San Diego. 4  Hospitals. Clinics.  Surface 1  Ships. Aircraft Squadrons.  Fleet Marine Force.
The service tag is unique to your system - it is essentially the serial number. If you don't have it recorded, but have your system registered with Dell (or purchased it direct from Dell), you should be able to obtain it by calling customer service with your order number or your name and address. Like 0. Reply.
Source Identifier. The next two digits of the USPS tracking number are the source identifier. This two-digit code identifies the shipper. Each shipper has its own source identifier, used in conjunction with a longer mailer ID number, also found on the USPS tracking number label.