Complex sentence: Ownership of the Buffs collection and archives was transferred to the National Army Museum in London in 2000-the collection is now stored by that Museum, with some objects on display at its base in Chelsea and some in the new displays at the Beaney itself.
Split into simpler sentences: Ownership of the Buffs collection and archives was transferred to the National Army Museum in London in 2000. The collection is now stored by that Museum, with some objects on display at its base in Chelsea and some in the new displays at the Beaney itself.