Oshkosh and BAE vie to build US Army’s next cold-weather vehicle Harry Lye 14 April 2021 (Last Updated April 14th, 2021 14:27) Oshkosh Defense and BAE Systems have been down-selected to provide prototypes for the US Army’s Cold Weather All-Terrain Vehicle (CATV) programme that is looking to replace the in-service but ageing Small Unit Support Vehicles (SUSVs). The US Army’s Cold Weather All-Terrain Vehicle (CATV) programme is seeking to replace the in-service Small Unit Support Vehicles. Image: US Army. Share Article Both companies are set to provide two prototype vehicles each that will undergo testing and soldier evaluation in the third quarter of 2021.