When they headed out for a daylong fishing trip. Reporter hundreds of volunteers gathered early this morning to continue the ocean search for the two missing firefighters. Today we are pushing 80 boats now. Over 200 people out there actively searching. That does not include the ten volunteer aircraft we have out there as well. Jacksonville firefighters search near the shore. The u. S. Coast guard is off short. Brian mcclunney and Justin Walker went out fishing last friday morning and havent been seen since. Walkers wife, natasha, took to the air to help with the search. I need to be up there and feel like i am searching too. Crews covered more than 50,000 square miles searching for the men, their boat or debris as far north as charleston, south carolina. Yesterday search crews found a tackle bag about 50 miles off of the coast of st. Augustine and that helped them to narrow their search in the vast ocean. If anyone has the skill and ability to survive this, it is brian. Keith power says this is still a rescue mission. There is a deep concern for the amount of time that has gone by. We are not giving up. We are pressing forward until the coast guard tells us we need to back off. Huge military planes are being used, p3 and c130 and some of the most Sophisticated Technology they have at hand. This search does have special meaning because these missing men, they consider them their First Responder brothers. So many people looking for them. Thank you mireya villarreal. Now cbs news exclusive, a connecticut man tells us that he fears for his life tonight. Scott happengood is facing charges. A terrifying vacation in paradise. Scott hapgood was vacationing last april. Kenny mitchel entered the hotel room in the afternoon and what happened next is unclear but the violent encounter resulted in mitchels death. My wife and children wake up with it and live it and breathe it every day. Hapgood and his lawyer saying mitchell was armed demanding money raised concerns about the release of information in anguilla. They withheld a toxicology report showing mr. Kenny mitchel was not only drunk but high on cocaine and other drugs when he attacked scott. No. The victims mother spoke to cbs news via webcam. My son did not try to rob him. Something else happened. Hapgood is out on bail after posting a 74,000 bond has been threatened like this on facebook. Cbs news obtained these voicemails. I know exactly where you live if i ever see you in connecticut i swear to god i am going to jump. All i did is defend my young daughters in front of an attacker that was crazed and desperate. I have to just hold on to that fact. I would do it again. Thank god i was in the room when he came. Erroll barnett, cbs news, new york. We will be right back. Did you know you can save money by using dish soap to clean grease on more than dishes . Try dawn ultra. Dawn is for more than just dishes. With 3x more grease cleaning power per drop, it tackles tough grease on a variety of surfaces. Try dawn ultra. Want to freshen your home without using heavy, overwhelming scents . Introducing febreze one. It eliminates odors with no heavy perfumes, so you can feel good about using it in your home. For a light, naturalsmelling freshness, try new febreze one. President trump has expressed interest in purchasing greenland, the island three times the size of texas. About you that real estate, its melting. Tonights eye on earth. Flying just above greenlands gl glaciers and icebergs they are dropping probes into the ocean trying to measure the temperature and salinty of the ocean waters. Four years here into this mission. We think of greenland as a block of ice under the hair dryer but the oceans are doing a lot of the work too. Greenlands ice sheet is melting six times faster than it was in the 1980s. Willis team is trying to understand the role that the oceans are playing. There is enough ice in greenland to raise sea levels by 25 feet worldwide. We dont think it will happen right away but how fast it does is something we are trying to figure out with o. M. G. They learned how sensitive the oceans are to the glaciers and identifying those at risk of melting, many more than initially thought. Folks are adapting to life with climate change, longer summers and wilder weather. The nasa scientists explained the water at the surface is colder and fresher but the concern is the influx of warmer water deeper down, melting glaciers from below. Still ahead, new guidelines saying more women may benefit for a test for ovarian i saved hundreds when i switched my Car Insurance to geico. This is how it made me feel. It was like that feeling when you pull your green sock out of the dryer and then the very next sock is the other green one. And then you pull out two blue ones. And you keep going till youve matched every single sock in perfect order. And the owner of the laundromat is so impressed, he hangs a picture of you next to the dryer. Geico. Fifteen minutes could save you fifteen percent or more on Car Insurance. Fifteen minutes could save you theres brushing and theres oralb power brushing. Oralb just cleans better. Its the one inspired by dentists. With the round brush head. Oralbs gentle rounded brush head removes more plaque along the gumline. For cleaner teeth and healthier gums. Oralb. Brush like a pro. At San FranciscoInternational Airport a ban went in to effect on plastic Water Bottles. Every day about 10,000 bottles of water are sold at San FranciscoInternational Airport. The ban on plastic Water Bottles but not other plastic bottles might create confusion. You can get a soft drink in a plastic bottle. Not water. Not water. I dont know about that. We have to start somewhere. The airports Public Information officer. There is good alternatives. There are not a lot of good alternatives yet for teas, juices and sodas. They would prefer the passengers dont buy water at all and free containers at free hydration stages. I am about to refill it after i go through security. San franciscos latest effort to reduce plastic waste. This recycling center processes 39 million plastic bottles each year. A mountain of bottles. This is two or three hours here in San Francisco. Some folks will say there goes San Francisco again. That is understandable but our airport has been on the leading edge of a lot of environmental initiatives. We are seeing the boundaries of sustainability. That is kind of our job as we look about it. An aluminum bottle like this cost 6. Breaking news, Philadelphia Police commissioner richard ross has resigned. A number of officers are facing allegations of Sexual Harassment and gender and racial discrimination. New guidelines say more women would want to consider a Breast Cancer gene test. Genes called brca1 and 2 cant repair damaged dna and that increases the risk of certain cancers. Up next, a story you dont want to miss. A 7yearold takes a cops challenge and wins. Finally tonight, it will go down as one of the greatest winning streaks of the past three weeks and it has come to an end. It began with a facebook challenge to kids from brandon hanks, a 27yearold Police Officer in syracuse, new york. Playing oneonone, the first to score wins. You lose and you do pushups. Win and hank buys you sneakers. After 20 straight wins officer hanks met his match yesterday in a pintsized sevenyearold who sank the first basket. The smile on his face, that will stick with me forever. He got a Police Escort to the store and picked out a pair of nikes, size 2 and officer hanks drew his credit card and paid the 70 bill. He does it for the kids. They do it for the kicks. Dont you just love that. Either way a slam dunk for both sides. We hope to see you back here again tomorrow. Good night. This is the cbs overnight news. Welcome to the overnight news. The white house is scrambling to head off a possible economic downturn as we head in to an election year. The president blames the fed and the news media for stoking reception fears. Despite that the president and his aides are considering a payroll tax cut, capital gains, reduction in tariffs or none of the above. Paula reid has the story. Reporter President Trump down played fears of a reception but confirmed his administration is trying to stimulate the economy to avoid one. Payroll tax is something we think about and a lot of people would like to see that. Yesterday officials denied a payroll tax is under consideration. Congress is unlikely to enact such a measure ahead of the 2020 election but it is key to the president s reelection pitch. The trade war with china is fuelling concerns with an economic downturn. The big issue is to deescalate when it comes to trade wars. It is not clear what the goal is. A study shows 74 of Top Economists expect a reception by 2021. The fact is somebody had to take china on. The president s tariffs on china put a strain on the american consumer, costing the average household 600 per year and could be as high as 1,000 by the end of 2019. Despite the president s claims the Steel Industry has been revitalized the tariffs on steel imports he put in place last year devastated u. S. Steel losing value since. That meant laying off about 200 workers at this facility in detroit. Nine months after President Trump declared victory over the Islamic State in syria and iraq they have regrouped and are launching deadly attacks around the world. Secretary of state mike pompeo says it is complicated. Fighters in syria taking an oath of allegiance to isis and vowing to fight on. Nearly six months after the fall of the last pocket of terrory that made up their socalled caliphate. A propaganda video. We said the caliphate is gone and there is always a risk of a resurgence. Isis solidified their capabilities in aircrairaq and resurging in syria. The report says isis has between 14,000 to 18,000 members in iraq and syria and the opportunity to recruit more from among tens of thousands of refugees living in poorly guarded camps. The u. S. Has 5,200 troops in iraq and nearly 1,000 in syria where the Top Commander for the middle east general Frank Mckenzie told cbs news u. S. Special forces are helping local tribes track down isis fighters. They try to get in an empty kwr quarter of desert. Is it gaining strength in your opinion . It is complicated. There are certainly places isis is more powerful today than they were three or four years ago. In afghanistan isis claimed responsibility for the weekends bombing of a Wedding Party killing nearly 70 civilians. Isis is conducting attacks in africa as well but the deadliest branch is in afghanistan. Isis has killed some 800 people there in the past year. A banker from connecticut has a court date in the caribbean thursday. Scott hapgood is charged with manslaughter in the beating death of a Hotel Employee on the island of anguilla. Hapgood insists it is selfdefense. He was vacationing with his family at an Anguilla Hotel last april. Kenny mitchel entered hapgoods hotel room in the afternoon. The violent encounter resulted in mitchels death. We live in it and breathe it every day. In a press hapgood and his lawyer raise concerns about the release of evidence by officials in anguilla. The attorney general withheld a toxicology report that showed mr. Kenny mitchel was not only drunk but high on cocaine and other drugs when he attacked scott. No. The victims mother spoke to cbs news via webcam. My son did not try to rob him. Something else happened. Hapgood is out on bail after posting a 74,000 bond has been threatened with threats on facebook. I know exactly where you live [ bleep ] if i ever see your punk [ bleep ] in connecticut. All i did is defend my young daughters in front of an attacker that was crazed and desperate. I have to hold on to that fact. I would dod it again. Thank god i was in the room when he came. President trumps offer to buy greenland has been called absurd by the prime minister. President trump will pay a visit to greenland next month. Greenland is getting greener b the day as the giant icebergs and glaciers melt into the sea. Flying above greenlands glaciers and icebergs they are dropping probes into the ocean, trying to measure the temperature and salinty of warming artic waters. Josh willis is four years into the mission. We think of greenland as a block of ice under a hair dryer but the oceans are doing a lot of the work too. Greenlands ice sheet is melting six times faster than it was in the 1980s. Willis team is trying to understand the role that oceans are playing. They call the project oceans melting greenland or o. M. G. There are is enough ice in greenland to raise sea levels by 25 feet worldwide. We dont think it will happen right away but how fast it would is something we are trying to figure out with o. M. G. They learned how sensitive oceans are to and identifying those at risk of melting. Many more than initially thought. Folks say they are adapting to life with climate change. The nasa scientists explained the melting ice means the water at the surface is colder and fresher but the real concern is fresher but the real concern is the influx o new crest gum and sensitivity. And then i jump on the trampoline. Ahh brain freeze no, its my teeth. Your teeth hurt . Sensitivity. I should do something about it. 80 of sensitivity starts at the gum line, so treat sensitivity at the source. New crest gum and sensitivity starts treating sensitivity immediately, at the gum line, for relief within days and wraps your teeth in sensitivity protection. Ohh your teeth . No, its brain freeze crest. Healthy, beautiful smiles for life. Try dove go fresh. Something fresh . With the classic, crisp scent of cucumber green tea. 48 hour protection. And signature freshness. Now available in new deodorant wipes. Keep it fresh this is the cbs overnight news. Welcome back to the overnight news. If you are hope to pick up a plastic bottle of water at one of the nations busiest airports you are out of luck. San francisco rolled out a ban to end their sale at shops and vending machines. More n from inside the airport. Sfo says each person that comes through here produces about a half pound of trash. To eliminate the waste the airport cut back on the use of single use food items like napkins and straws and now they are going after single use plastic bottles in favor of reusable alternatives, like this. San Francisco International airport says that this could be the ticket to a greener future. An airport that sells 10,000 bottles of water per day generates 28 Million Pounds of waste per year. This is something we can impact having waste not go into landfills. The airport will gradually phase out plastic Water Bottles. First they will selloff what is currently on store shelves. Passengers will be encouraged to refill their own at any of 100 hydration stations or buy water in glass or aluminum containers. You are trying to encourage people to do the right thing and forcing them in some ways. For the most part people are on board with the change. If you know about it, it is great. If you dont, it will be inconvenient. But it is headed in the right direction. Even if it is offered to me i come fully prepared. The airports falling an ordinance banning the sale of plastic Water Bottles on city property. Nationwide they discard 30 million tons of plastic each year. Many of it ends up in landfills where it could take up to 1,000 years to decompose. But you will see plastic Water Bottles at sfo. It does not apply to soda and juice. You want to do good but yet they do not have the problem. You can buy a soda in a plastic bottle. Does that make sense . Our hope is that the industry continues to expand. There is not a lot of alternatives for teas, juices and sodas. The policy only appliesa the airport and does not apply to those that fly in and out of here. It is the first airport to ban plastic Water Bottles but hopes that the idea takes off. A historic train in nevada takes the passengers deep into the desert, far from las vegas. Good morning. One of the least populated places in the country aboard one of the oldest operating railroads in the country. Deep into the high desert of nevada. The only thing more scarce than people is light. The tracks have been here for over 100 years and they are about the only manmade things you will see out here. If you leave there is a sign that says next gas 164 miles. They mean 164 miles. Mark bassit looks the part. He is the president of the Historic Nevada northern railway. A town built by the railroad that is still chugging along. It is a long way from anywhere. You know, that is our strength and our weakness. If we were near las vegas right now, it would have all been bulldozed down. But because of our remoteness it was preserved. These trains have been running ever since copper was discovered here. There is no ore to haul anymore, but the railroad offers passengers something as black as coal. A night ride under the stars. Just before sunset it heads out for a three our ride towards Great Basin National park certified as one of the darkest regions in the lower 48 states. No lights are allowed. Way up ahead is the park ranger, charlie reed, racing the sun to set up telescopes before the train alives. We let the sky do the talking for you. What the star train e it. Passengers are about to see, still impresses even him. Does it ever get overwhelming up here . The first time that i came here, the first night i was outside my house i looked up. I am like uhoh. I cant find any of the stars i used to navigate. There were so many. A hundred or so years ago a night sky like this was oddly ordnarrow. Now more than a third of the planets population cant see the milky way with the naked eye because our world is polluted with light. The more darkness that we lose, we will lose the universe and al