As recent headlines suggest, there are a number of areas where we've come to expect a level of security that appears to be lacking. From guarding nuclear missiles, to finding chemicals in our drinking water, life in these critical spaces can still be messy. Let's take a look at some notable cases.
Navigating an Airplane
Southwest Airlines grounded two pilots this week after they landed at the wrong airport near Branson, Mo. It's not yet clear how the plane ended up 8 miles away from the correct location.
Was this the airline version of plugging an address into your GPS and turning into a lake?
Veteran commercial pilot Tom Kreamer suggested not in an interview with NBC News.
Kreamer wondered why the pilots didn't appear to be using electronic landing guidance: "It's fine to do visual approaches and visual landings, but use the electronic guidance as a backup."