The Arkansas Inland Maritime Museum (AIMM) opened its doors to the public on May 15th, 2005. Our museum features guided tours of the historic USS Razorback (SS 394). Come see us along the Arkansas River in beautiful downtown North Little Rock. AIMM is more than just a military museum. We have a research library, a theater, and a large display exhibits. Hours of Operation: Summer Hours: May - September Sunday -- 1p.m. - 6p.m. Wednesday - Saturday -- 10a.m.-6p.m. Closed -- Monday and Tuesday Winter Hours: October - April Sunday -- 1p.m. - dusk Friday and Saturday -- 10a.m. - dusk Closed -- Monday - Thursday