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ⓒParamountPrometheus
However, the development of ROVs presents numerous
environmentalchallenges.Unlikeaspacecraft,whichonlyhas
UnmannedSubmersibles:Exploringthe
to navigate one atmosphere to reach space, ocean exploration
Depths
contends with the formidable pressure increase of one
atmosphereforevery10metersofdepth.Thismeansthateven
(1)EndoscopesoftheSea,RemotelyOperatedVehicles
inwatersofonly100metersdepth,thesignificantchallengeof
(ROVs)
surpassing more than 10 atmospheres of pressure arises. The
practical use of ROVs in deep-sea research became viable in
thelatterhalfofthe20thcentury,thankstoadvancementsin
deep-seaimagingtechnologyandthedevelopmentofmanned
and unmanned submersibles. In Korea, with the backing of
the Ministry of Oceans and Fisheries, KIOST successfully
created a 6,000-meter-class deep-sea unmanned submersible
called “Hemire” along with a relay device named “Henubi.”
This achievement was the result of six years of development
work, starting in May 2001. Hemire conducted several deep-
sea test expeditions, including explorations in the methane
▲ nJamesCameron’smovie Titanic(1997),researchersrecoverRose’s
necklaceinTitanicbyusingROVs.
gas ejection area located 70 km east of the Korean Peninsula
Inthe1997movieTitanic,anunmannedsubmersiblerecovers
in June and November 2009, capturing videos of the seabed.
thenecklacethatRoselostontheTitanicover80yearsearlier.
In June 2015, Hemire undertook its first comprehensive and
TheunmannedsubmersibleusedinthiscasewasaRemotely
demonstrative deep-sea exploration over a two-week period,
Operated Vehicle (ROV). ROV refers to remotely controlled
spanning eight areas in the Ulleung Basin* of the East Sea
unmannedsubmersiblesfordeep-searesourceexplorationand
and the Hupo Bank Slope, which is a shallow terrain off the
development. ROV can be broadly classified by mission and
coast.
size. ROV missions include surveillance, and reconnaissance
Insight
to monitor coastal or port areas, gather intelligence, identify
special terrain, and detect specific objects. In addition,
ⓒMarine
there is anti-submarine warfare to monitor and track enemy
submarines in certain waters, and anti-submarine warfare
to detect and neutralize mines. The size of a ROV can be
classifiedintosmall,light,medium,andlarge.LargeROVsfor
deep-sea exploration are stable and capable of various types
of operations when used, but they are costly because they
are large vessels and have high rental costs. This is because
each ROV requires at least three professional operators: a
▲ OVsareremotelyoperatedfromthemothershipviaacable.
navigator to manage the information, a pilot to control the
ROV,andamanagertooverseealloperationsoftheROV.The
primary reason small and medium-sized ROVs find favor in
*Ulleung Basin: An undersea basin situated in the southwestern part of the East
Sea,locatedtothesouthofUlleungIslandandDokdo.
variousresearchinstitutes,universities,andcompaniesistheir
relatively lower operating costs and the ability to function
with smaller vessels and a more modest workforce, despite
(2)DronesUndertheSea,AutonomousUnderwater
theirlimitationsinoperationalcapacityandexplorationrange
Vehicles(AUVs)
comparedtolargerROVs.
Wouldyoubelieveadronethatwassupposedtoflyinthesky
26
www.theargus.org
However, the development of ROVs presents numerous
environmentalchallenges.Unlikeaspacecraft,whichonlyhas
UnmannedSubmersibles:Exploringthe
to navigate one atmosphere to reach space, ocean exploration
Depths
contends with the formidable pressure increase of one
atmosphereforevery10metersofdepth.Thismeansthateven
(1)EndoscopesoftheSea,RemotelyOperatedVehicles
inwatersofonly100metersdepth,thesignificantchallengeof
(ROVs)
surpassing more than 10 atmospheres of pressure arises. The
practical use of ROVs in deep-sea research became viable in
thelatterhalfofthe20thcentury,thankstoadvancementsin
deep-seaimagingtechnologyandthedevelopmentofmanned
and unmanned submersibles. In Korea, with the backing of
the Ministry of Oceans and Fisheries, KIOST successfully
created a 6,000-meter-class deep-sea unmanned submersible
called “Hemire” along with a relay device named “Henubi.”
This achievement was the result of six years of development
work, starting in May 2001. Hemire conducted several deep-
sea test expeditions, including explorations in the methane
▲ nJamesCameron’smovie Titanic(1997),researchersrecoverRose’s
necklaceinTitanicbyusingROVs.
gas ejection area located 70 km east of the Korean Peninsula
Inthe1997movieTitanic,anunmannedsubmersiblerecovers
in June and November 2009, capturing videos of the seabed.
thenecklacethatRoselostontheTitanicover80yearsearlier.
In June 2015, Hemire undertook its first comprehensive and
TheunmannedsubmersibleusedinthiscasewasaRemotely
demonstrative deep-sea exploration over a two-week period,
Operated Vehicle (ROV). ROV refers to remotely controlled
spanning eight areas in the Ulleung Basin* of the East Sea
unmannedsubmersiblesfordeep-searesourceexplorationand
and the Hupo Bank Slope, which is a shallow terrain off the
development. ROV can be broadly classified by mission and
coast.
size. ROV missions include surveillance, and reconnaissance
Insight
to monitor coastal or port areas, gather intelligence, identify
special terrain, and detect specific objects. In addition,
ⓒMarine
there is anti-submarine warfare to monitor and track enemy
submarines in certain waters, and anti-submarine warfare
to detect and neutralize mines. The size of a ROV can be
classifiedintosmall,light,medium,andlarge.LargeROVsfor
deep-sea exploration are stable and capable of various types
of operations when used, but they are costly because they
are large vessels and have high rental costs. This is because
each ROV requires at least three professional operators: a
▲ OVsareremotelyoperatedfromthemothershipviaacable.
navigator to manage the information, a pilot to control the
ROV,andamanagertooverseealloperationsoftheROV.The
primary reason small and medium-sized ROVs find favor in
*Ulleung Basin: An undersea basin situated in the southwestern part of the East
Sea,locatedtothesouthofUlleungIslandandDokdo.
variousresearchinstitutes,universities,andcompaniesistheir
relatively lower operating costs and the ability to function
with smaller vessels and a more modest workforce, despite
(2)DronesUndertheSea,AutonomousUnderwater
theirlimitationsinoperationalcapacityandexplorationrange
Vehicles(AUVs)
comparedtolargerROVs.
Wouldyoubelieveadronethatwassupposedtoflyinthesky
26
www.theargus.org
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