 Complete the following phrase:  In 1915, the brigade took part in the Battle of Neuve Chapelle 10  13 March where another two VCs were won: Rifleman Gabar Singh Negi posthumous of the 2nd Battalion, 39th Garhwal Rifles, and Private William Buckingham of the 2nd Battalion, Leicestershire Regiment. The brigade then took part in the battles of Aubers 9 May, 