The corporate server recognizes your identity thanks to a card you insert in the Corona's smart-card slot, and serves up your applications and data accordingly.
While you can always insert a local SIM card into your phone for use when you are in port, this will not help you if you are on a cruise ship at sea and out of range of a local carrier.
The TSA is required to insert a Notice of Inspection card whenever your luggage is hand searched, but writing personal notes, while not unprecedented, is probably frowned upon by supervisors.