Ukrainian servicemen fire a 122mm mortar towards Russian positions at the front line, near Bakhmut, Donetsk region, Ukraine, in March 2024.AP Photo/Efrem LukatskyA US veteran who fought in Ukraine said many Western fighters assumed it would be an easy fight.He said some "treat it almost like it's a vacation, and they're not really expecting to die."Many foreign veterans are not willing to accept that their training has not readied them for this war, he said.