This is the dramatic moment a Ukrainian drone lands on a Russian missile launcher, hitches a ride for 15 kilometres, and then explodes.In an audacious move, the Lasar’s Group drone lands directly on the Buk-M2 air defense system.Russian troops eventually spot the device, but then scatter when The Lasar’s Group mark the attack with what they call a ‘firework’ explosion, before destroying the launcher in a fireball.