On the latest tour they were involved in Operation Herrick, in support of 20th Armoured Brigade.

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The tour is a major logistical operation, with the crew including 16 dancers, 16 caterers, 12 musicians, nine members of the wardrobe department, a chiropractor, a masseuse and a personal trainer.

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David Law, who heads up the media operation for the Champions Tour, said that the competitive edge which McEnroe brought to events had been crucial in establishing the circuit.

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Captain Michael Vaughan will definitely miss the tour, however, after having a knee operation for the fourth time in his career.

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He had his first operation after returning home from that tour, but needed more surgery last month and flew to Colorado in the USA to see a colleague of Dr Richard Steadman, the knee and shoulder specialist, who recently operated on team-mate Simon Jones.

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