John ‘Lofty’ Wiseman served for 26 years with the SAS and was their Chief Survival Instructor. He remains the foremost authority on SAS training techniques for civilians. His knowl...view moreJohn ‘Lofty’ Wiseman served for 26 years with the SAS and was their Chief Survival Instructor. He remains the foremost authority on SAS training techniques for civilians. His knowledge, skills and experience are unrivalled and he is deeply respected in survival circles.view less