It was going to be the last re-enlistment ceremony Jesse Siordia Jr. would ever plan. So, why not go big? Ready to re-up for six years after serving 14, the operations specialist second class decided to try and book country music superstar Toby Keith for the gig, hoping to connect with the singer June 16, when Keith’s “Hammer Down” tour rolled through Detroit. Siordia, a reservist with Navy Operational Support Center Detroit, started sending emails to everything with Keith’s name on it: Websites, record companies, casual dining establishments — “I went after everything I could possibly find,” he said. No…