Anyone that has worked in large public areas before knows that there is always a risk of theft, vandalism, or loss of equipment. It is simply an unfortunate part of the job, as it often costs more to protect the equipment than to simply replace it. This was the situation I was in at the end of a drone survey earlier this week, and it put me in a pretty awful mood. After our flights were completed, I walked the site to pick up our ground equipment only to discover that one of our $600 GPS-enabled aerial targets had vanished without a trace.