Integrated Logistic Support (ILS): Keys to Maximising Availability and Reducing Costs in Defence Programmes



In the defence sector, the operational readiness of systems is a critical factor for mission success. The implementation of a Integrated Logistic Support (ILS) The effective maintenance of military equipment optimises maintenance, reduces costs and ensures maximum performance over the entire life cycle of military equipment.

At Exceltic, we apply these strategies to armoured vehicle projects, ensuring that each system has a robust and sustainable logistics structure. Below, we explore the keys to ILS and its evolution with emerging technologies such as artificial intelligence and digital twins.


ILS is not only a maintenance strategy, but a comprehensive methodology covering the entire service life of military systems. Its pillars include:

  • Reliability, Maintainability and Availability (RAM): Design systems with high standards of operability and ease of maintenance.
  • Spare parts and supply management: Minimise downtime through efficient supply chain planning.
  • Life Cycle Cost Analysis (LCC): Evaluate from acquisition to decommissioning of the system, including demilitarisation strategies.
  • Rules and regulations: Ensure compliance with logistical standards in military operations.

This approach makes it possible to reduce the maintenance times on a 30% and improve the availability of systems in a 25%optimising performance in demanding operational environments.


Technological advances have transformed logistics management in defence. Today, we apply tools such as:

  • 🚀 Artificial Intelligence (IA): Failure prediction and resource optimisation using advanced predictive maintenance models.
  • 🛠 Digital Twins (Digital Twins): Real-time simulation of equipment behaviour to test maintenance strategies without affecting operations.
  • 📊 Big Data & LSAR (Logistics Support Analysis Records): Advanced databases that improve traceability and optimisation of logistical support.

Thanks to these technologies, armoured systems can remain operational with an agile and efficient response to unforeseen events.


In recent years, the concept of Integrated Product Support (IPS) has started to gain ground, gradually replacing the Integrated Logistic Support (ILS) in some industries. While both approaches share the goal of optimising operational availability and minimising lifecycle costs, there are key differences that mark their evolution.

Integrated Logistic Support (ILS)

ILS focuses on the logistical management of a system throughout its life cycle. Its main features include:

  • Focus on maintenance planning and execution.
  • Spare parts management and operational logistics.
  • Implementation of reliability and maintainability strategies.
  • Optimisation of total cost of ownership through life cycle analysis.
Integrated Product Support (IPS)

The IPS extends the ILS vision by incorporating a more holistic and digital approach, integrating advanced analytical and predictive tools. Some key differences include:

  • Integration of logistics support with engineering and product design management.
  • Incorporation of predictive analytics to improve decision-making.
  • Focus on real-time performance optimisation.

ILS has been consolidated in critical sectors such as defence, transport and energy. Let us look at some examples:

Armies have implemented ILS on aircraft and weapon systems to reducing downtime and improving mission critical response. An example is the use of AI in predictive maintenance in fighter jets, which has reduced unexpected failures by 40%.

Rail operators are using Digital Twins to anticipate failures on high-speed trains, enabling optimising spare parts and minimising unscheduled downtime.

In wind farms and solar plants, the ILS is used for optimising asset management and reducing maintenance costsensuring that the equipment has a longer service life.


At Exceltic, we apply our ILS experience in the development and maintenance of state-of-the-art armoured vehicles, ensuring:

  • Advanced maintenance managementoptimising repair times and spare parts logistics.
  • Implementation of MBSE methodologies (Model-Based Systems Engineering) to integrate engineering data and functional analysis throughout the operational life of the system.
  • Use of specialised tools such as RAM and LSARThe use of the new technologies, which ensure traceability and compliance with operational sustainability requirements.
  • Definition of phased maintenance strategiesThe military has a wide range of training programmes, tailored to the requirements of each programme and adapted to the logistical infrastructure of the Armed Forces.

This approach allows for efficient integration into the logistical structure of the armed forces, maximising system availability and reducing long-term costs.


To ensure the successful implementation of ILS in military systems, it is key to focus on:

  • Digitisation and automation with advanced tools such as AI and Digital Twins.
  • Life cycle optimisation through detailed cost and logistics analysis.
  • Predictive maintenance strategiesensuring maximum availability with less investment in resources.
  • Adaptability to regulatory and operational requirementsaligning logistics with the national defence structure.

At Exceltic, we work to the highest standards of logistics engineering to ensure that defence systems operate with maximum efficiency and sustainability.

Do you want to improve the efficiency of your logistics system? Contact our team of ILS experts and find out how we can help you.

🔗 Visit www.exceltic.com for more information.

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