What happens when the sacrifice is clear, but the reason isn’t?How much does having a reason change what we’re capable of enduring? What happens when there’s no clear end date, no finish line, and the explanation keeps changing?After reading Viktor Frankl’s Man’s Search for Meaning, I couldn’t stop thinking about the sailors aboard the USS Abraham Lincoln, my own time in the Navy, and the old idea that every service member writes Uncle Sam a blank check.