Line #64 Main/SpaceSuitsAreSCUBAGear


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11	[[quoteright:208:[[Literature/HaveSpaceSuitWillTravel https://static.tvtropes.org/pmwiki/pub/images/Have_Space_Suit-Will_Travel_4244.jpg]]]]
12	[[caption-width-right:208:Have SCUBA gear -- will travel]]
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14	Sci-fi space suits tend to have exposed tubes leading from the air tank to the helmet, like [[SpaceIsAnOcean twin-hose SCUBA gear]]. Since space suits are fully pressurized, not just the helmet, these [[InventionalWisdom serve no purpose]] but to be [[AreTheseWiresImportant yanked out]] either to provide a moment of tension or an easy way to end a hand-to-hand fight, depending on if the luckless wearer is a hero or a villain. Even if reconnected, this may lead to an oxygen crisis.
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16	Real space suits have no such dangerously exposed air hoses. Real SCUBA gear has a backup regulator should the first one go bad and the hoses are low pressure. Either sci-fi writers are making commentary on [[NoOSHACompliance a dystopian future with no safety oversight]], they've only ever looked at SCUBA gear (before the 60s that would be everyone) and at other fictional spacesuits that exhibit this trope, or they just need a cheap excuse to add tension.
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18	Compare CreepyOldFashionedDivingSuit for when SCUBA gear is used to provoke eerieness instead.
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20	!!Examples
21	[[foldercontrol]]
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23	[[folder:Comic Books]]
24	* Averted in ''Recap/TintinExplorersOnTheMoon'', despite how classically retro the spacesuit design looks otherwise. There are no vulnerable oxygen tubes on the exterior of the suit.
25	* In ''ComicBook/YokoTsuno'', the Vineans space suits have very visible air tubes connected to the helmet. Khany's fails in the first story after a rough deceleration. In a later story, Poly yanks one of her own tubes to give air to Yoko.
26	[[/folder]]
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28	[[folder:Film]]
29	* In ''Film/TwoThousandOneASpaceOdyssey'', the space suits had an attached air line. When HAL's pod attacks Frank Poole it rips out his air line, causing him to die of vacuum exposure/lack of air. Watch it [[https://www.youtube.com/watch?v=XbCsAlweJXk#t=48s here, as Frank frantically tries to re-attach the line.]]
30	* An inversion in ''Film/Aquaman2018'' where Atlantian commandoes wear PoweredArmor that holds the water ''in'' as they can't breathe air on the surface. Mera is able to defeat Murk by breaking the seal on his suit causing all the water to drain out; he survives by shoving his head in a [[{{Swirlie}} nearby toilet.]]
31	* Used in ''Film/Armageddon1998'' so that [[spoiler:Bruce Willis can subvert his future son-in-law's HeroicSacrifice by yanking his air line and taking his place.]]
32	* ''Film/ConquestOfSpace'' (1955). Combined with the Michelin Man-looking spacesuits to produce {{Narm}} when the astronauts are floating about in zero-G.
33	* In ''Film/TheEmpireStrikesBack'', an infestation of mynocks required the crew of the ''Millennium Falcon'' to venture outside in whatever paltry atmosphere can be found on a large asteroid. They wear face-mounted masks with tubes leading back to oxygen tanks.
34	** Presumably Han issued Chewie and Leia [[RequiredSecondaryPowers a set of earplugs and corks]] before they stepped outside as well.
35	* Happens in cheapy productions like ''Film/MissileToTheMoon'' where they just used air force jumpsuits, helmets and oxygen cylinders.
36	* ''Franchise/StarTrek''
37	** Averted in ''Film/StarTrekTheMotionPicture''. Both Spock's and Kirk's space suit air systems were contained within a backpack type suit which fed directly to the helmet.
38	** Likewise averted with Chekov's and Capt. Terrell's suits in [[Film/StarTrekIITheWrathOfKhan Wrath of Khan]].
39	* ''Film/SupermanII''. One of the astronauts has an extended hose leading to the life support system on his moon buggy. Zod kicks him off the Moon's surface, then breaks the hose.
40	* In the silent movie ''Film/WomanInTheMoon'', Professor Mannfeldt goes out in a diving suit to check that the moon has an atmosphere. After successfully lighting a few matches, he takes off his helmet and celebrates (yes, they knew the moon had no atmosphere in 1929, but silent movie actors depended on FacialDialogue so the audience had to see their face).
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43	[[folder:Live-Action TV]]
44	* ''Series/BlakesSeven''. In "Dawn of the Gods", Vila's air hose breaks off while he's exploring the EldritchLocation that the Liberator has ended up in. After a CommercialBreakCliffhanger Tarrant goes out to look for Vila, but finds he's still alive because the place has a breathable atmosphere.
45	* Another comedy version in ''Series/ComeBackMrsNoah''. The spacesuits consist of a mask with corrugated breathing tube, and a bicycle helmet [[TheHilarityOfHats topped by a couple of plastic tubes with ping pong balls that move up and down to show you're breathing correctly]]. Averted in the TitleSequence where the characters are dancing to the theme tune in "Michelin Man" type suits.
46	* In ''Series/TheExpanse'' the pressure-suits worn by the crew of ''Rocinante'' feature helmets connected to a "breather" backpack by a corrugated rubber hose. When one character is AlmostOutOfOxygen, the medic provides a temporary fix by splicing their hoses together.
47	* ''Series/TheGoodies''. RuleOfFunny version in "Invasion of the Moon Creatures". Bill has his oxygen cylinder turned up too high, his FishbowlHelmet inflates like a balloon and he goes flying off the Moon's surface.
48	* In the final episode of ''Series/{{Quark}}'', the ship's computer goes insane and tries to kill Quark by shutting the airlock hatch on his air hose when he's going out for a spacewalk. Fortunately his spacesuit has an emergency supply, giving him enough time to get back on board.
49	* ''Series/StarTrekEnterprise'' features space suits like these, purely for RuleOfDrama.
50	** In "Minefield," Malcolm Reed tries to pull a HeroicSacrifice by yanking an oxygen tube. Archer puts it back in before [[WhatTheHellHero yelling at him for it]].
51	** In "Damage," a cracked-out T'Pol, jonesing for some literal rock, falls into a depressurized cargo bay, leading to her air hose coming undone and a frantic struggle to put it back.
52	* ''Series/{{Ultraseven}}'': This is how Kurata exposes Shirihama as a disguised Alien Zampa; when he breaks the breathing tube of the latter's spacesuit, the man is still alive.
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55	[[folder:Literature]]
56	* In a story in the picture book "The Best Train Set Ever", a diving helmet and air hoses are used as part of a space suit. Justified in that the space suit is a Hallowe'en costume.
57	* ''The Bio of a Space Tyrant'' series by Creator/PiersAnthony. In "Mercenary", Hope Hubris is commanding a naval BoardingParty and uses a metal needle to puncture the oxygen tube of a SpacePirate.
58	-->Now he was in trouble, for I had holed his tube between the tank and the regulatory valve. Oxygen hissed into his suit under unrestrained pressure, bypassing the valve. The outer puncture sealed itself, but not the tube; he was inflating uncomfortably. He had no recourse but to remove his helmet to relieve that pressure, and then I caught his head and jammed my armored finger at a [[PressurePoint buried nerve complex under the ear]], and he was unconscious.
59	* Lampshaded in the Literature/CaptainFuture homage novel ''Avengers of the Moon'', by Creator/AllenSteele. Captain Future has to stop a man in a spacesuit from sabotaging his rocketship, and notes that attempting to disconnect the air hose is a standard tactic in hand-to-hand space combat (though he doesn't get the chance).
60	* The cover of Creator/RobertAHeinlein's ''Literature/HaveSpaceSuitWillTravel'', shown as the page illustration, [[ScienceMarchesOn which was published in 1958.]] This illustration is also fairly true to the way the suit is described in the book. This trope is, however, ''extremely'' averted by other suit designs later in the same book. By comparison with [[spoiler:Vegan]] suits, a LatexSpaceSuit is ''bulky''.
61	* The ClockPunk spacesuits in ''Literature/TheLastHero''. Possibly {{justified\|Trope}} since Leonard's notes reveal that they ''are'' using repurposed diving helmets.
62	* ''[[http://www.gutenberg.org/etext/19174 The Man Who Rocked the Earth]]'' and its sequel ''The Moon-Maker'' may be the TropeMaker. The original illustrations included combined shots with the fake Moon landscape and real scuba gear, which was the closest thing available. After all this was one of first relatively hard sci-fi, made in 1915/1916 -- they had no TimeTravel and all that.
63	* In the first ''Literature/TheShipWho Sang'' story, while [[BrainsAndBrawn Helva and Jennan]] are trying to help a [[HomeworldEvacuation colony evacuation]] there are too many colonists for all of them to fit in [[SapientShip Helva's quarters and hold]], so he and three of them have to ride suited in Helva's airlock, far less protected from the solar flare that overtakes them. They would all probably have made it with some burns and heatstroke, but Jennan [[NoGoodDeedGoesUnpunished tried to calm his terrified companions]] and one lashed out in panic, disconnecting a hose on his suit and leading to his death.
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66	[[folder:Tabletop Games]]
67	* ''TabletopGame/BattleTech'' the Elemental PoweredArmor was based of a scuba suit developed by Clan Goliath Scorpion, Clan Hell's Horses later redesigned the suit for combat. The elemental armor is capable of fighting in outer space making it useful for boarding enemy ships, and can withstand battlemech grade weapons. It cannot, however, actually function as scuba gear in the game: battle armor is perfectly capable of keeping someone alive underwater as long as the life support system functions and it doesn't get so deep that water pressure risks crushing it, but it's too bulky and difficult to move in to get anywhere in a reasonable amount of time unless it mounts specialized underwater maneuvering equipment.
68	* ''TabletopGame/{{Space 1889}}'' A variant, perhaps "Space Suits are Hard Hat Diving". The analogy diving-suit space suit is there, and justified, because they are based on hard-hat diving suits. Space suits are based on hard-hat diving suits rather than the not-yet-invented SCUBA Gear
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71	[[folder:Toys]]
72	* Several Franchise/{{LEGO}} spacesuits fulfill this, for example [[http://lego.wikia.com/wiki/File:Sp012.jpg one type of helmet]] used in the 1996 [[Toys/LEGOSpace Exploriens]] lineup.
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75	[[folder:Video Games]]
76	* The ''Franchise/DeadSpace'' series is usually fairly good about this, with the RIG suits free of external hoses and tanks. Two notable exceptions are the [[http://deadspace.wikia.com/wiki/Vintage_Suit Vintage Suit]] and the [[http://deadspace.wikia.com/wiki/EVA_Suit EVA suit.]]
77	* In ''VideoGame/KnightsOfTheOldRepublic'', the spacesuits your party uses for a short spacewalk on the ''Leviathan'''s hull are a PaletteSwap of an envirosuit used to explore the seafloor of Manaan, complete with a thick tube leading from backpack into helmet.
78	* In ''VideoGame/MassEffect1'', combat hardsuits can be turned into spacesuits by putting on a helmet connected to life-support via exposed hoses, which never prove to be a problem... until the prologue of ''VideoGame/MassEffect2'', where their malfunction costs Shepard's life. From that point on, Shepard's helmet has no visible connection to life-support pack.
79	* In the video game adaptation of ''VideoGame/RogueTrooper'', some of Rogue's melee animations involve ripping these tubes out of Nort environment suits, exposing them to the toxic air of [[DeathWorld Nu Earth]].
80	* In the old Lucasfilm adventure game ''VideoGame/ZakMcKrackenAndTheAlienMindbenders'' the lead character builds a spacesuit out of SCUBA gear (the helmet is a fish bowl sealed with tape). Obviously, not the most serious of games.
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83	[[folder:Western Animation]]
84	* ''{{WesternAnimation/Futurama}}'' often uses the classic air tank and hose. In one episode Fry notices that Leela's about to run out of air and switches his tank for hers so she can continue deactivating the Planet Express ship's AI and turn the atmospheric oxygen back on.
85	* ''WesternAnimation/JackieChanAdventures'' does this in the battle with Tso Lan, the Moon Demon. The good guys have the ingredients for the spell to banish the demon again, except one of them is inside Jackie's suit. Tso Lan gloats that Jackie can't remove his helmet without killing himself, to which Jackie replies "Let me air this out" and briefly unhooks his own air hose.
86	* ''WesternAnimation/LoveDeathAndRobots''. In "The Very Pulse of the Machine", a female astronaut finds her air tank has been pierced, so she uses an air hose to attach herself to the air tank of her deceased colleague. Unfortunately that means she has to drag the corpse with her, which slows her down and saps her strength.
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89	[[folder:Real Life]]
90	* Inverted in NASA's [[http://dx12.jsc.nasa.gov/site/index.shtml Neutral Buoyancy Laboratory]] (NBL) at Johnson Space Center. Because space suits are conveniently airtight and pressurized, they actually do work underwater just as they do in space, and because of that, NASA actually trains astronauts by using a 40' deep pool within which the suits will feel weightless and movement will be similar to that in space (albeit with much much more drag).
91	* The [[http://en.wikipedia.org/wiki/File:MDRS_Astronauts.jpg Analog Surface Suit]] ([[FunWithAcronyms ASS?]]) used at the Mars Desert Research Station in Utah.
92	* [[https://en.wikipedia.org/wiki/Mechanical_counterpressure_suit Mechanical counterpressure suits]] require this; since the body of the suit is not pressurized with air, the helmet has to be connected directly to the life support pack.
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