One particular of my book sales was to a military address [one of many but this one stood out]. I go to USPS to ship and the clerk asks me if I'd like to do an

One particular of my book sales was to a military address [one of many but this one stood out]. I go to USPS to ship and the clerk asks me if I'd like to do an "air drop". Uhm, what? "Oh it costs about the same but it's dropped from a helicopter and takes less time" was very roughly what was explained to me. "Please, let's do that" and we did. My first and last and the option was quite cool.