1) ID,often 2) US ID 3) US job application datum 4) An id 5) App no 6) Application fig 7) Application ID 8) Application no 9) Bank account datum 10) Bank customer account datum 11) Blank on a job app 12) Box d on IRS Form W-2 13) Certain id 14) Certain id info 15) Certain US id 16) Checking account datum Found on https://www.crosswordclues.com/clue/ssn
[hull classification symbol] An SSN is a nuclear-powered general-purpose attack submarine. SSN is the US Navy hull classification symbol for such vessels; the SS denotes a submarine and the N denotes nuclear power. The designation SSN is used not just in the USN, but throughout NATO under STANAG 1166. ==History== The first nuclear-powered a... Found on http://en.wikipedia.org/wiki/SSN_(hull_classification_symbol)
eponymous ancestor of the Ssnian dynasty in ancient Persia. Details of his life vary, but most scholars believe he was originally a prince in the ... [1 related articles] Found on http://www.britannica.com/eb/a-z/s/33
Nuclear powered attack submarines. Designed primarily to destroy other submarines but are also very effective against surface ships and when carrying Tomahawk cruise missiles, can attack land targets. The number of RN SSNs has dwindled to 9 although they are excellent boats.
Found on http://www.encyclo.co.uk/local/20777