英国有报道称挑战者２训练是４－６周或者更长；有文章用波兰花了至少3个月才完成基本M1操作的例子来说乌军最短所需的训练时间

https://sports.yahoo.com/ukrainians-start-training-challenger-2-213817183.html

https://www.technology.org/2022/12/26/how-long-would-it-take-to-train-ukrainian-soldiers-to-use-abrams-tanks/