to the sights, sounds and smells and conditions of combat, having learned from the marines not only that went before them but also the marines that did not come home alive, that their deaths may not be in vein. thvain.they are training mariner whether it be north korea and taking on russians or whether they deploy to iraq, afghanistan, syria where there are marines fighting right now. elizabeth: the technology is unbelievable, as well as adaptation and efficiency. coming up, honoring our fallen soldiers on the track this memorial day. how a third generation nascar driver is saying thank you to all those who gave all. and more lava is spewing from the volcano on hawaii s big island, threatening homes and structures. jeff hall has a preview. reporter: another strong earthquake eruptedded near the summit of the kilauea volcano. why scientists say it s a sign