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Roosevelt.","citation":"https://www.nps.gov/places/uss-potomac.htm","source_title":"USS Potomac (U.S. National Park Service)","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:07.566872+00:00","fact_type":"significance","as_of":"2026","confidence":0.98},{"claim":"The USS Potomac offers two-hour and three-hour public cruises on San Francisco Bay.","citation":"https://usspotomac.org/public-cruises/","source_title":"Public Cruises - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:06.762007+00:00","fact_type":"hours","as_of":"2026","confidence":0.97},{"claim":"Some public cruises are narrated; the page indicates cruise offerings and suggests the format varies by trip.","citation":"https://usspotomac.org/public-cruises/","source_title":"Public Cruises - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:06.762007+00:00","fact_type":"food_drink","as_of":"2026","confidence":0.78},{"claim":"Dockside tours are generally offered on most Wednesdays and Sundays at 11:00 a.m. and 12:30 p.m.","citation":"https://usspotomac.org/dockside-tours/","source_title":"Dockside Tours - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.952018+00:00","fact_type":"hours","as_of":"2026","confidence":0.98},{"claim":"Dockside tours begin with a 15-minute video about FDR’s use of the ship during his presidency.","citation":"https://usspotomac.org/dockside-tours/","source_title":"Dockside Tours - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.952018+00:00","fact_type":"anecdote","as_of":"2026","confidence":0.96},{"claim":"Dockside tours include a one-hour docent-led tour aboard the ship.","citation":"https://usspotomac.org/dockside-tours/","source_title":"Dockside Tours - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.952018+00:00","fact_type":"architecture","as_of":"2026","confidence":0.94},{"claim":"Dockside tour admission is $20 for adults, $10 for youth and children, and free for ages 9 and under.","citation":"https://usspotomac.org/dockside-tours/","source_title":"Dockside Tours - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.952018+00:00","fact_type":"admission","as_of":"2026","confidence":0.99},{"claim":"USS Potomac was built in 1934 as the Coast Guard Cutter Electra.","citation":"https://usspotomac.org/history/","source_title":"History - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.118150+00:00","fact_type":"history","as_of":"2026","confidence":0.99},{"claim":"The vessel was commissioned by the U.S. Navy in 1936, renamed USS Potomac, and served as FDR’s Presidential Yacht until 1945.","citation":"https://usspotomac.org/history/","source_title":"History - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.118150+00:00","fact_type":"history","as_of":"2026","confidence":0.99},{"claim":"The ship is described by the organization as FDR’s 'Floating White House' and a National Historic Landmark.","citation":"https://usspotomac.org/history/","source_title":"History - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.118150+00:00","fact_type":"significance","as_of":"2026","confidence":0.97},{"claim":"The Visitor Center is open Monday through Friday from 9:00 AM to 3:00 PM.","citation":"https://usspotomac.org/history/","source_title":"History - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.118150+00:00","fact_type":"hours","as_of":"2026","confidence":0.96},{"claim":"Dockside tours are offered on specified dates from 11:00 AM to 2:00 PM.","citation":"https://usspotomac.org/history/","source_title":"History - USS Potomac","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-19T14:29:05.118150+00:00","fact_type":"admission","as_of":"2026","confidence":0.95},{"claim":"USS Potomac began life as the Coast Guard cutter Electra, built in 1934 and converted in 1936 to serve as Franklin D. 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