 Parachute competitions are held at club , regional , national and international levels , and include the disciplines of accuracy landings , <unk> <unk> , formation <unk> , canopy formation , freestyle and <unk> , and <unk> . British teams consistently win medals in canopy formation world championships , and a British team took the 2006 world championship in women 's 4 @-@ way formation <unk> . 
