AIR & SPACE MAGAZINE Jack Is Back Remembering an inauguration. Photo: U.S. Navy/Photographer's Mate 3rd Class Joshua Karsten January 20, 2011 050519-N-8704K-001 Boston Mass. (19 May 2005) USS John F Kennedy (CV 67) makes her way into historic Boston Harbor as John F Kennedy Strike Group Sailors form up to spell "JACK IS BACK" with Marine Expeditionary Unit Two Four (MUE 24) manning the rails. Kennedy and MUE 24 are in Boston Massachusetts for a scheduled port visit.. US Navy photo by Photographers Mate Third Class (AW/SW) Joshua Karsten. (RELEASED) U.S. Navy Get the latest stories in your inbox every weekday.