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[[File:H2A CairoStationBlastDoor.png|thumb|300px|A set of blast doors on the [[ | [[File:H2A CairoStationBlastDoor.png|thumb|300px|A set of blast doors on the [[orbital defense platform]] ''[[Cairo Station (station)|Cairo Station]]''.]] | ||
A '''blast door''' is a type of heavy [[door]] designed to withstand large amounts of damage, especially by explosives, or to seal pressurized compartments on a starship in case of a [[hull breach]]. | A '''blast door''' is a type of heavy [[door]] designed to withstand large amounts of damage, especially by explosives, or to seal pressurized compartments on a starship in case of a [[hull breach]]. | ||
==Background== | ==Background== | ||
Blast doors are an important safety measure for many starships or space stations. Blast doors are similar to [[airlock]]s in that they are used to seal off areas suffering, or have a strong possibility of suffering a breach and loss of atmosphere. They are distinguished by their interlocking sections that rise from the floor, and drop from the ceiling. The {{UNSCShip|Pillar of Autumn}}'s blast doors had large panels of what seem to be high-strength plexi-glass, since it can resist blasts of plasma from the handheld | Blast doors are an important safety measure for many starships or space stations. Blast doors are similar to [[airlock]]s in that they are used to seal off areas suffering, or have a strong possibility of suffering a breach and loss of atmosphere. They are distinguished by their interlocking sections that rise from the floor, and drop from the ceiling. The {{UNSCShip|Pillar of Autumn}}'s blast doors had large panels of what seem to be high-strength plexi-glass, since it can resist blasts of plasma from the handheld {{Pattern|Okarda'phaa|plasma rifle}}.<ref name="poa">'''Halo: Combat Evolved''', campaign level, ''[[The Pillar of Autumn (Halo: Combat Evolved level)|The Pillar of Autumn]]''</ref> | ||
On the ''Pillar of Autumn'', the blast doors were also used to trap [[Covenant]] [[boarding|boarding parties]]. This is an efficient way of cutting off boarding parties, as the doors are built to be extremely resilient to damage.{{Ref/Reuse|poa}} | On the ''Pillar of Autumn'', the blast doors were also used to trap [[Covenant]] [[Naval boarding|boarding parties]]. This is an efficient way of cutting off boarding parties, as the doors are built to be extremely resilient to damage.{{Ref/Reuse|poa}} | ||
Blast doors are also commonly used in blast shelters, [[military base]]s or other locations where heavy, secure doors are necessary. The city of [[New Mombasa]] had heavy blast doors in its tunnel systems and separating its city compartments, to seal off select areas in case of an emergency.<ref>'''Halo 3: ODST''', campaign level, ''[[Mombasa Streets]]''</ref> | Blast doors are also commonly used in blast shelters, [[military base]]s or other locations where heavy, secure doors are necessary. The city of [[New Mombasa]] had heavy blast doors in its tunnel systems and separating its city compartments, to seal off select areas in case of an emergency.<ref>'''Halo 3: ODST''', campaign level, ''[[Mombasa Streets]]''</ref> | ||