US Navy Cryptologic Technician (Collection) 3rd Class Melissa Shirk, shown loading cryptographic code into an EA-6B Prowler aircraft, is a Cryptologic Analyst on board the US Navy's nuclear powered aircraft carrier USS CARL VINSON (CVN 70) where she collects and analyzes different types of encrypted signals. Commanded by Captain Larry Baucom (not shown), Carl Vinson is currently deployed to the Persian Gulf enforcing the extended "No Fly Zone" over Iraq in support of Operation SOUTHERN WATCH