The US Army Rappelling Handbook - Military Abseiling Operations
Techniques, Training and Safety Procedures for Rappelling from Towers, Cliffs, Mountains, Helicopters and More - Full-Size 8.5"x11" Current Edition - TC 21-24
The US Army Rappelling Handbook - Military Abseiling Operations
Techniques, Training and Safety Procedures for Rappelling from Towers, Cliffs, Mountains, Helicopters and More - Full-Size 8.5"x11" Current Edition - TC 21-24