Visual Evolution Of Space Suits

Emilio Herrera Linares, a Spanish military engineer, designed the Herrera space suit for an open-basket balloon stratospheric flight. It was an early predecessor to the modern space suit.The suit was a rubberized silk suit.This suit featured a three-layered glass panel, a metallic frame, and a closed-circuit heating system.

The suit initially served US military pilots.The Mercury space suit's design followed.The Mercury space suit had a lightweight, highly mobile design. This design aimed for use in unpressurized, high-altitude planes. It served as a good start for the Mercury space project.

The Mercury space suit, like the Navy Mark IV, served as a safety measure. It protected against rapid cabin depressurization.

The SK-1 suit.The SK-1 was the first space suit used for its full capability. This suit was pressurized. It had a nondetachable visored helmet, a life support system, and an inflatable rubber collar for emergency water landings.The SK-1 suit was used for its intended purpose and full capacity. It was pressurized. It featured a nondetachable visored helmet, a life support system, and an inflatable rubber collar for emergency water landings.

The suit was made for Yuri Gagarin, the first man in space. It also served in later Vostok missions.

The Gemini space suit.The Gemini space suit showed a major improvement over the Mercury model in flexibility. It used Neoprene-coated nylon airbladders and a link-net restraint layer instead of fabric-type joints. This gave it more mobility under pressure.The Gemini model improved on the Mercury model with flexibility. It used Neoprene-coated nylon airbladders and a link-net restraint layer instead of fabric-type joints, giving it more mobility under pressure.

The Berkut space suit.The Berkut space suit improved on the SK-1. It added an internal life-support system. Oxygen circulated through an open-cycle environmental control system between oxygen tanks in the backpack and the suit.The Berkut space suit improved the SK-1. It included an internal life-support system. Oxygen moved through an open-cycle environmental control system between the oxygen tanks in the backpack and the rest of the suit.

The Yastreb space suit.The Yastreb space suit was the first Russian suit made for extravehicular activity. The suit needed to be flexible and light. It had an external pulley system for extra mobility and a compact life support system to maneuver around smaller Soyuz rockets.The Yastreb space suit was the first Russian suit designed for extravehicular activity. It was built to be flexible and lightweight. An external pulley system gave it extra mobility, and a compact life support system let astronauts easily move around smaller Soyuz rockets.

Unlike the Gemini space suit, the Apollo/Skylab A7L space suits.Apollo space suits were designed for the Moon. They needed to keep the interior temperatures livable during the hot lunar day and protect against sharp rocks. The suits also needed flexibility so astronauts could grab samples.Apollo space suits were designed for the Moon. They had to keep the interior warm during the hot lunar day and shield against jagged rocks. Astronauts needed flexibility to grab Moon samples.

The Apollo suits included a protective outer layer. They had a portable life-support backpack with seven hours of air. A liquid-cooling system worked inside. A helmet attached to the suit blocked UV rays and kept the interior cool.

The Krechet-94.The Krechet-94 was a Russian space suit built for lunar exploration. Astronauts entered a hatch connected to the suit's external backpack life-support system to put it on.The Krechet-94 was a Russian space suit built for lunar exploration. Astronauts entered a hatch connected to the suit's external backpack life-support system to don the suit.

The Krechet-94 featured protective outer layers and a reflective visor against UV radiation, just like its American Apollo space suit. This suit also had the added advantage of lacking external tubing.

The Orlan space suit was designed in 1971.The Orlan space suit is used for spacewalks and any movement outside a pressurized space cabin. It uses a rigid torso and helmet frame alongside flexible limbs for better movement.The Orlan space suit has no external hose because its life-support system is integrated. It remains used for spacewalks and movement outside a pressurized space cabin.

The Orlan space suit lacks external hoses because its life-support system is integrated. This differs from American suits.

The Sokol space suit was first designed in 1973 after three astronauts suffocated on Soyuz 11 in 1971. This lightweight suit still serves a purpose today. It uses internal pressure and integrated shoes, though the gloves and helmet come off.Extravehicular Mobility UnitThis suit operates outside the pressurized space shuttle cabin. It uses 14 material layers, each serving a job: cooling, pressurizing, and thermal protection. Unlike prior suits, the EMU is not custom-fitted for one person; it serves multiple uses.

The Russian Sokol space suit debuted in 1973, following three astronauts suffocating on Soyuz 11 in 1971. This lightweight suit remains in use. It has internal pressure and integrated shoes, but the gloves and helmet detach.

Tubes and cables let the suit last thirty hours in a pressurized space or two hours in a vacuum. It was built for use inside the Soyuz rocket during low cabin pressure during launch and descent, not for spacewalks.

Like the Russian Sokol suit, the American Launch Entry Suit prepares crew for exiting and re-entering Earth's atmosphere. It has a pressure-sealed visor and helmet collar, plus an anti-gravity suit to stop blood from pooling during re-entry.

The AX-5 had a rigid structure that handled high air pressure while keeping joints flexible. Unlike older suits, the wearer did not need to purge nitrogen from their blood before a spacewalk.

Many features from this prototype appear in modern space suit designs, even though the AX-5 never flew in space.

The launch entry suit shares features with its predecessor.The Advanced Crew Escape Suit protects crew during rapid cabin depressurization. This design beats its predecessor: it is fully pressurized, blocks air contamination, and has an internal liquid-cooling system.This suit protects crew if the cabin pressure drops fast. The design greatly improves the former version: it is fully pressurized, stops air contamination, and includes an internal liquid-cooling system.

This suit remains in service today, even though materials and technology have advanced since its first use.

The Feitian EVA suitFeitian EVA suitThe Feitian EVA suit came from a Russian Orlan suit sold to China in 2004. The design mirrors its Russian version, but differences exist, like a larger visor.

The suit uses purely Chinese materials. It also incorporates Chinese telemetry, digital communications, and data management systems and software.

Testing for the suit is not finished yet.The Final Frontier DesignThe IVA space suit is a lightweight suit built for commercial use. The suit protects the wearer from space stress. It also makes the suit easy to access and cheap. This design gives the wearer more movement than older suits.

This is the 2012: Z-1 EVA Space Suit, United States.The Z-1 prototype spacesuitThe Z-1 was designed for 2014 use. As of early 2019, no one used the Z-1 in space. The Z-1 looks like the Russian Orlan. It has a semi-rigid torso and a life-support backpack. This backpack covers a hatch inside the suit.

The suit's design keeps pressure stable between the suit and the ship's cabin. This shortens the pre-breath prep older suits needed. These preparations stopped the wearer from getting decompression sickness. The suit uses new materials and gives more movement than the older EMU.