Jump up ^ 43rd Royal Tank Regiment ( 43 RTR ) formed a duplicate -- 49th Royal Tank Regiment ( 49 RTR ) -- in 1939 .
Both were assigned to 25th Army Tank Brigade at the outbreak of war .
Jump up ^ 43rd Royal Tank Regiment ( 43 RTR ) formed a duplicate -- 49th Royal Tank Regiment ( 49 RTR ) -- in 1939 and both were assigned to 25th Army Tank Brigade at the outbreak of war .