Keywords: US Navy 100409-N-3090M-330 Sailors lower the Submarine Squadron (SUBRON) 4 pennant during a change of command ceremony aboard the historic ship Nautilus.jpg en GROTON Conn April 9 2010 Sailors lower the Submarine Squadron SUBRON 4 pennant during a change of command ceremony aboard the historic ship Nautilus Capt Michael Bernacchi relieved Capt Robert Clark during the ceremony U S Navy photo by Mass Communication Specialist 1st Class Steven Myers/Released 2010-04-09 100409-N-3090M-330 Navy http //www navy mil/view_image asp id 84229 U S Navy photo by Mass Communication Specialist 1st Class Steven Myers PD-USGov-Military-Navy April 2010 in the United States Change of command 4 number Men facing right and looking right Men with hats Military people in 2010 Naval Submarine Base New London Pennants People of the United States in 2010 Pictures by Mass Communication Specialists Sailors from the United States Navy Standing men Taken with Nikon D80 2010 in Connecticut 2010 photographs 21st-century men of the United States Use of flags USS Nautilus SSN-571 9 April |