Suppose an intelligence agency has intercepted a photo that…

Suppose an intelligence agency has intercepted a photo that was downloaded from an S&R satellite.  Analysts have determined the location of the image by recognizing a distinctive geographic feature shown in it.  The photo was obtained within 24 hours of the satellite being launched, so the date of the image is known, but not the time.  The photo appears to show a very tall object, which might be an ICBM.  Explain how an IMINT analyst might determine the height of the object from the photo. 

In their presentation, North Fairfaxia described “spoofing”…

In their presentation, North Fairfaxia described “spoofing” an email message that appeared to be from a member of another team.  Explain why North Fairfaxia chose that other team as the apparent source of the “spoofed” email message.   Describe one (1) action a recipient of the “spoofed” message could have taken to determine whether the email message was legitimate.