. >> it is an intense rush and at knighttime, your eyes can play all sorts of the dark. >> reporter: but as the military moves closer to helping to take back major cities under isis control, the danger will only increase. >> every time we take to the sky, there's risks inherently placed on us throughout the world. >> reporter: i'm martha raddatz on the "uss truman. >> incredible. >> absolutely fascinating. great reporting by martha. >> absolutely. it takes about for to get those pilots up in the air about 5,000 people from that crew to get them up from a ship that's about 20 stories high. >> yeah. >> isn't that remark able? >> that is. i was looking at martha's facebook page. she's done many of these exercises before and the video she was saying from inside the cockpit is unlike anything she's ever seen before. even she was fascinated by this. we'll be right back. ♪ >> still trying to figure out who the songs are. i think it's imagine dragons. >> a new radio frequency treatment is offering hope to million who's suffer from skin conditions like acne. >> it's called frac tora, it's sup

. >> it is an intense rush and at knighttime, your eyes can play all sorts of tricks on you in the dark. >> reporter: but as the military back major cities under isis control, the danger will only increase. >> every time we take to the sky, there's risks inherently placed on us throughout the world. >> reporter: i'm martha raddatz on the "uss truman. >> incredible. >> absolutely fascinating. great reporting by martha. >> absolutely. it takes about for to get those pilots up in the air about 5,000 people from that crew to get them up from a ship that's about 20 stories high. >> yeah. >> isn't that remark able? >> that is. i was looking at martha's facebook page. she's done many of these exercises before and the video she was saying from inside the cockpit is unlike anything she's ever seen before. we'll be right back. hey, have you heard? heard what? before school starts in september, all kids going into 7th and 12th grade have to get the meningococcal vaccine. it protects against diseases like meningitis. that can be serious, even deadly. yeah, that's why they can't start school without