The Airborne operation itself was the largest ever to take place in a single day, with 9 British airborne battalions and 6 American airborne battalions carried in literally thousands of aircraft. Initial losses were heavy due to massed enemy flak and some LZ/DZ's being obscured by smoke. However, within six hours all the objectives were taken.
The Glider Pilot Regiment itself took part once again although after losing so many men in the Arnhem battle its ranks were now strengthened by members of the RAF who had been trained to fly gliders and operate on the ground as fighting soldiers.
For a more in-depth account of the operation I can't recommend enough the book 'The Last Drop: Operation Varsity, March 24-25 1945' by Stephen L. Wright if you accompany this work with 'Operations Plunder & Varsity' by Tim Saunders you should be able to glean a good understanding of this most important action. Both books are available from Amazon (although other booksellers are available).
Unfortunately, Chalk won't be able to mark the anniversary with a photoshoot as we have done in the past, but this does not mean that we will not be remembering the men of the Glider Pilot Regiment and all the units that took part in this final massive airborne assault of the Second World War.