<Tr> <Td> 2nd Battalion, The Royal Regiment of Fusiliers </Td> <Td> 2008--2010 </Td> </Tr> <Tr> <Td> 2nd Battalion, The Princess of Wales's Royal Regiment (Queen's and Royal Hampshires) </Td> <Td> 2011--2013 </Td> </Tr> <P> Since 2013 regular public duties responsibility has reverted to the Household Division . However, line infantry units occasionally provide the Guard for short periods of time . In the summer of 2018, Balaklava Company, the dedicated public duties unit of the Royal Regiment of Scotland, and 2nd Battalion, The Rifles both provided the Guard at Buckingham Palace and Windsor Castle . </P> <P> In 1938 the Honourable Artillery Company, a Territorial Army unit, provided the King's Guard . The same Regiment subsequently provided the Queen's Guard in 1958, during the 1990s the Band of the Honourable Artillery Company provided musical support for the Queen's Guard and they continue to do so in the 21st century . In June 2015 soldiers from the 3rd Battalion The Royal Welsh provided the Tower of London detachment of the Queen's Guard . </P>

When was the last time the queen reviewed her guard