Most stories about auto-racing drivers supporting the Navy come in variations of the same flavor: Either a NASCAR superstar visits a fleet concentration area somewhere stateside, or a flag officer makes his way to Charlotte and ends up talking to a future Sprint Cup champion casually leaning on a pile of raw horsepower. Rarely do you see, say, a 21-year-old American driving on the world’s most elite racing circuit spend some of his downtime before a big race taking sailors out for joyrides. Pierside. In Bahrain. Alexander Rossi is a “reserve driver” for the Caterham Formula One team. In addition to…