. >> reporter: jimmy nelson used to spend about 170 days a year on the sub. johnson sea link submersible as it's known. it's now retired at florida atlantic's harbor branch oceanographic institution. >> all right. ready to go. >> ready to go. >> reporter: but other manned sea vehicles may be next to line to aid in the malaysia airlines search. if this or another submersible can get where the wreckage is, how effective do you think this could be? >> very effective. >> reporter: this is the view of the submersible in the atlantic ocean. it can go 3,000 feet deep. but like all research sub, it's slow. it only travels just one mile per hour when searching. the sub was called to duty in 1986 after the space shuttle "challenger" exploded. and it recovered some of the wreckage from the ill-fated shuttle. >> we have the capability of lifting around 1,000 pounds of weight to the surface. >> reporter: in the very front of the submersible a tool called a manipulator which does the important work of grabbing, scooping and sucking up samples that are recovered. this sub i

. >> reporter: jimmy nelson used to spend about 170 days a year on this sub. johnson ceiling submersible, as it is known. it is now retired, the florida oce oceangraphic institution. but other manned sea vehicles might be next the line to aid in the malaysian airline search. >> if this can get to the wreckage is, how effective do you think it can be in the recovery effort? >> very effective. >> reporter: this is the view of the submersible in the atlantic ocean. it can go 3,000 feet deb deep, like all vehicles it can only go so far. this recovered some of the wreckage from the ill-fated shuttle. >> we have the capability of moving around. >> reporter: a tool called the manipulator does the important work of grabbing, scooping and sucking up samples that are recovered. this sub is about 24 feet long and 11 feet tall. it weighs about 28,000 pounds. it has enough oxygen, and emergency provisions on board for the people to survive under water for up to five days. >> reporter: there is also a back cabin on the submersible. a crew keeps an eye on the submersible. an

. >> reporter: jimmy nelson used to spend about 170 days a year on the sub.ohnson sea ling submersible as it's known. it's now retired at this oceanographic institution. >> ready to go. >> reporter: but other manned sea vehicled might be next in line to aid in the malaysia airline search. if this submersible or another submersible can get to where the wreckage is, how effective do you think it can be? >> very effective. >> reporter: this is a view of this submersible in the atlantic ocean. it can go 3,000 feet deep. like all research subs, it is slow. it travels one mile per hour when searching. the sub was called to duty after the space shuttle "challenger" exploded and it recovered some wreckage from the shuttle. >> we have the ability to lift weight to the surface. >> reporter: a tool called the manipulator does the important work of grabbing, scooping and sucking up samples. this is about 24 feet long, about 11 feet tall, and it weighs about 28,000 pounds. it has enough oxygen and emergency provisions on board for the people to survive under water for up

. >> reporter: jimmy nelson used to spend 170 days a year on the sub.submersible. >> ready to go. >> ready to go. >> but other manned sea vehicles maybe next to line to aid in the malaysia airlines search. >> if this or another submersible can get where the wreckage is, how effect i have do you think at this time could be? >> very effective. >> reporter: this is the view of the submersible in the atlantic ocean. it can go 3,000 feet deep. like all research subs it's slow. only travels just one mile an hour when searching. the sub was called to duty in 1986 after the space shuttle "challenger" exploded. and it recovered some of the wreckage from the ill-fated shuttle. >> we have the capability of lifting 1,000 pounds of weight to the surface. >> reporter: the front of the submersible, a tool called the manipulator that grabs, scoops and sucks up samples that are recovered. this sub is 24-feet long. it is also 11-feet tall and weighs about 28,000 pounds. it has enough oxygen and emergency provisions on board for the people to survive underwater for up to

. >> reporter: jimmy nelson used to spend about 170 days a year on this sub, the johnson sea link submersible. it's now retired. >> all right. ready to go. >> ready to go. >> reporter: but other manned sea vehicles might be next in line to aid in the malaysia airline search. >> if this submersible gets to where the wreckage is, how effective do you think it will be in recovering the aircraft? >> very effective. >> reporter: like all research subs, it's slow. it only travels just over one mile an hour while submersed. it recovered some of the wreckage from the ill fated shuttle. >> we have the capability of lifting around 1,000 pounds of weight to the surface. >> reporter: in the very front of the submersible, a tool called the manipulator, that does the important work of grabbing, scooping and sucking up samples that are recovered. this sub is about 24 feet long, it's also about 11 feet tall and weighs about 28,000 pounds. it has enough oxygen and emergency provisions aboard for people to survive under water for up to five days. there's also an aft observation area. it's only about 5 1/2 feet

and, in fact, this cup was held in the hand of nelson mandela actually on robin island. >> jimmy: isate that. [ cheers and applause ] i always thought, if i ever had u2, if i had you guys sitting on the couch and here with me tonight, i always wanted to see if you could do a song for me, an acoustic song just to show everybody you've got the goods. and i would love to see if i could -- if i handed you a a microphone and handed you a a guitar, can you do a a little -- >> like one of those spontaneous show business moments where they appear from behind the couch? [ laughter ] >> jimmy: yes, exactly. we have things hidden behind the couch. you have seen talk shows in america, yes -- would you be down for that? >> yeah. >> yeah, of course. >> what an idea! [ laughter ] >> this is a song we are so proud of, won an academy award, and -- >> jimmy: sure, you can do what -- yes, you can do -- i have a a guitar for you. >> oh, wow. check it out. >> jimmy: that's my personal one, yeah. >> actually, while they are standing up. hold on a second. >> thank you. >> here's a present for you. this is