Arkansas Inland Maritime Museum (AIMM) is home to the USS Razorback (SS 394) and USS Hoga (YT 146) and is located in North Little Rock Riverfront Park along the shore of the Arkansas River. The USS Razorback, a World War II Submarine, was built in September 1943 and commissioned on April 3, 1944.  She is the longest serving combat front line submarine existing in the world today, and has been commissioned by two different countries for 56 years of active duty.  The USS Razorback made her official homecoming to North Little Rock, Arkansas in June 2004. Since May 2005, she has been open to the public for tours and seen many people throughout her years.