Challenger ATP Challenger Tour Professor Challenger Challenger 2 Challenger 1 Space Shuttle Challenger BRD Brașov Challenger Challenger de Drummondville Challenger, Gray & Christmas Bombardier Challenger 600 series Champaign–Urbana Challenger Challenger (train) Nordic Naturals Challenger Challenger Tractor Deepsea Challenger BRD Timișoara Challenger Dodge Challenger (2008) Guangzhou International Challenger Waterloo Challenger Challenger expedition León Challenger Challenger 24 2010 Brașov Challenger Space Shuttle Challenger disaster Bombardier Challenger 300 Bombardier Challenger 850 ST…

TRABAG Challenger Open Carson Challenger Challenger de Salinas Challenger Pulcra Lachiter Biella Quad City Challenger Challenger tank The Challenger Disaster Pune Challenger Challenger Ciudad de Guayaquil Challenger La Manche 2014–15 ISU Challenger Series Challenger Deep 2015–16 ISU Challenger Series Meerbusch Challenger Calgary Challenger 2018–19 ISU Challenger Series ATP China Challenger International Volkswagen Challenger Senior

Women's Challenger Trophy Challenger brand WCT Tallinn Mens Challenger 2017–18 ISU Challenger Series Challenger Limited 2016–17 ISU Challenger Series 2009 Brașov Challenger Winnipeg Challenger 2011 Ropharma Brașov Challenger Tallahassee Tennis Challenger Senior Women's T20 Challenger Trophy USS Challenger Alessandria Challenger Savannah Challenger Green World ATP Challenger Cruiser Mk VIII Challenger Challenger Center for Space Science Education AON Open Challenger 2009 Challenger de Providencia Tempe Challenger Ben Challenger 2012 BRD Brașov Challenger Tiburon Challenger BRD Arad Challenger Keio Challenger Dodge Challenger (1970) WCT Tallinn Ladie