A Guide to ISU Container Storage For Military & Mobile Operations

What is an ISU Storage Container and How Can It Be Used?

ISU (Internal Airlift/Helicopter Slingable Container Unit) containers offer a unique combination of transportability and robust construction, making them a valuable asset for mobile operations.

These containers, often certified for air transport, can be adapted for a wide range of purposes beyond basic storage.

At Polstore Storage Solutions, we enhance their functionality through customised fitouts, providing tailored solutions for diverse needs, particularly for the US Air Force and military bases in the UK.

In this in-depth guide, we cover:

What is an ISU container?
Key features of ISU containers
Differences between ISU vs. standard storage containers
The benefits of choosing ISU containers
Uses and applications of ISU containers
Tailoring ISU container conversions to specific needs
Considerations when converting an ISU container
Why choose Polstore for your ISU container project?

Let’s jump in.

At Polstore Storage Systems, we’ve been a leading provider of high-end military storage solutions for the armed forces and USAF personnel since 1964. We offer a range of storage solutions from portable armoury storage, ISO containers and fit-outs to specialised racks for armouries and weapon storage.

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What is an ISU Container?

ISU stands for Internal Airlift/Helicopter Slingable Container Unit. These specialised containers are designed primarily for efficient transport by aircraft and helicopter, setting them apart from standard shipping containers that are typically transported by road and sea.

The term “ISU” itself, originating from the US Air Force, highlights their key characteristics:

Internal Airlift – ISU containers are designed to fit within the cargo holds of military aircraft, with dimensions optimised for air transportation.
Helicopter Slingable – Many ISUs feature lifting points for external transport by helicopters, enabling deployment to locations with limited access.

Compared to standard 20ft or 40ft shipping containers, ISU containers are smaller, facilitating rapid deployment of essential resources in situations where space is limited.

They also come with Air Transportable Certification (ATTLA), signifying compliance with stringent standards for safe air transport. Despite their size, ISU containers are built to be robust and withstand demanding conditions.

Key Features of ISU Containers

While they provide robust storage, the real value of ISU containers lies in their adaptability. The standard dimensions of the ISU 90 KCI, for example, are 2743mm / 108 inches wide, 2235mm / 88 inches long, and 2320mm / 91.35 inches high.

This manageable size, combined with features like four-way forklift compatibility and stackability, makes them incredibly flexible. They can be moved, positioned, and integrated into various operational scenarios with relative ease.

Here are several features of ISU containers:

Intermodal Capability – ISU containers can be transported by air, land, sea, or rail, streamlining logistics.
Compatibility with Military Equipment – They are designed to be compatible with standard military transport vehicles and equipment, such as 2.5-ton and 5-ton trucks, including FMTV, LMTV, and HEMTT.
Robust Construction – ISU containers are built for durability, featuring elements like an all-aluminium extruded, mechanically fastened pallet base, and winching rings.
Accessibility Features – Some models include features like retractable folding steps for roof access.
Customisation Options – ISU containers can be modified to meet specific needs, transforming them into specialised workspaces or storage facilities.

Differences Between ISU vs. Standard Storage Containers

The table below highlights the differences between ISU storage containers and standard shipping containers.

Feature	ISU Container	Standard Storage Container
Primary Transport	Aircraft (internal and external via sling)	Road and Sea
Size	Smaller, dimensions optimised for aircraft holds	Typically 20ft or 40ft long
Certification	ATTLA Air Transportable Certification	ISO (International Organisation for Standardisation)
Mobility Focus	High, designed for rapid deployment by air	Primarily static storage or long-distance transport
Typical Users	Military, emergency services, specialised industries	Shipping companies, businesses, individuals

The Benefits of Choosing ISU Containers

The use of ISU containers and their conversions offer many benefits. Enhanced mobility is a primary advantage, enabling rapid deployment of essential equipment and workspaces to virtually any location accessible by air, land, or sea.

These solutions also contribute to increased efficiency by providing organised storage and functional workspaces, thereby reducing setup time and improving operational workflows.

The adaptability of ISU containers translates to improved flexibility, allowing them to be utilised in diverse roles and minimising the need for specialised infrastructure.

In many cases, converting an ISU container proves to be a cost-effective alternative to constructing permanent facilities, particularly for temporary or remote operations.

Uses and Applications of ISU Containers

Due to the design and adaptability of ISU containers, they are suitable for a wide range of uses within military and mobile operations.

Here are some of the uses and applications:

Mobile Kit Storage – Organised storage for tools and equipment, with options for shelving, drawers, and secure locking mechanisms.
Physical fitness and gyms – Transform any outdoor environment into a training facility.
Secure Explosives Storage – Compliant storage units for sensitive materials.
Deployable Workshops: Mobile maintenance hubs with worktops, power, and lighting.
Rapidly Deployable Offices – Functional command centres or administrative spaces.
Mobile Medical and First Aid Stations – Healthcare facilities for dynamic situations.
Communication and IT Hubs – Secure environments for communication equipment.
Agile Combat Employment (ACE) Configurations – Specialised configurations with drawer cabinets, shelving, and worktops.

ISU Container Storage Fitout Conversion for Military

Tailoring ISU Container Conversions to Specific Needs

The ability to modify ISU containers opens up a world of possibilities. Instead of simply storing equipment, these containers can be converted into functional spaces.

One example is the Agile Combat Employment (ACE) ISU modification, which involves installing shelving, cabinets, and work surfaces to create a mobile workshop or command centre.

These conversions can include:

Storage Solutions – Installing drawer cabinets and shelving systems to organise tools, parts, and supplies efficiently. Features like drawers with foam inserts and lockable compartments enhance security and protection.
Workspaces – Integrating worktops, power trunking, and lighting to create functional workstations. This allows personnel to perform maintenance, repairs, or administrative tasks in the field.
Specialised Applications – With further modification, ISU containers can be adapted for a wide range of specialised purposes, such as mobile medical facilities or communication hubs.

Considerations When Converting an ISU Container

However, several important considerations come into play when converting an ISU container. It is crucial to ensure that modifications do not compromise the container’s structural integrity or its airworthiness.

Careful planning of weight distribution is also necessary, especially when the container is intended for air transport. Depending on the intended use, incorporating environmental control systems, such as heating, ventilation, or air conditioning, may be essential.

Finally, the safe and efficient integration of electrical systems is vital for powering lighting, equipment, and other devices.

ISU Container Storage For Military and Mobile Operations

Why Choose Polstore for Your ISU Container Project?

For US Air Force and military bases worldwide looking for custom ISU container storage, Polstore can help.

We’re a leading provider of tailored ISU container solutions and standard shipping container conversions, offering extensive expertise from design to installation.

With our knowledge of the unique demands of military applications, we’re able to deliver solutions that meet the specific needs of our clients:

Uncompromising Quality – We adhere to the highest standards of engineering and craftsmanship, ensuring your ISU container conversion is built to last and perform flawlessly.
Seamless Integration – Our solutions are designed to maintain the ISU container’s structural integrity and airworthiness, guaranteeing continued reliability.
End-to-End Service – From initial consultation and design to installation and support, Polstore provides a comprehensive and hassle-free experience.
Proven Expertise – With a track record of successful ISU container modifications, including complex ACE ISU projects, Polstore is a trusted partner for military and defence organisations.

Contact us to discuss your specific ISU container and fit-out requirements today. Call our experts on +44 800 008 6861 or complete our online enquiry form.

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Polstore Storage Systems is committed to providing high-quality, customised storage solutions for all your fit-out needs. Transform your workspace today with our expert services.

ISU Container Storage and Use: A Guide for Military and Mobile Operations

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