KYIV, Ukraine — Halyna Vynokur, a clerk in a hardware store in Kyiv, was shouldering a firearm for the first time. Iryna Sychova, a purchasing manager at a department store, disassembled and reassembled the jumble of rods and springs in a Kalashnikov rifle. They were among two dozen women who turned out in a forest near Kyiv one recent weekend for a course in firearms and urban combat, training that included shooting rifles, finding booby traps and throwing hand grenades. They were spurred by a