Stock Photo - Apr. 16, 1969 - Pacing the Route': 'Pacing the Route' took place this morning of the first-ever Parade through London of the new 'Territorials' which will take place next Sunday (April 20). These pace-makers, who measured the route with pacing sticks, formed up at-the bottom of constitution Hill, opposite Buckingham Place, from where 1,000 men and women and 150 vehicles making up the parade will start on April 20. They then paced the route in time honoured manner, past Buckingham Palace, into Birdcage Walk and on to Horse Guards Parade. Photo Shows The pace-makers seen as they march past the Palace today. They are front to back. WRAC Staff Sergeant Barbara Henderson, 39th. (City of London) Signal Regt; R.S.M. William Rising, Honourable Artillery Company; R.S.M. Brian Garland, 31st (Greater London) Signal Regt; SGT. Frank Holden, 4th Bn. The Royal Green Jackets, and SGT John Tasker, 10th. Bn. The Parachute Regiment. (Credit Image: © Keystone Press Agency/Keystone USA via ZUMAPRESS.com)