DefenseUS Air Force plans just one aircraft to replace C-17 and C-5M cargo planes
The US Air Force (USAF) is preparing to launch a program to replace its current fleet of C-17A and C-5M transport aircraft by the mid-2040s, as confirmed by General John Lamontagne, commander of Air Mobility Command, during the Air & Space Forces Association conference.
The future strategic airlifter is expected to deliver greater speed, operational flexibility, and improved defensive capabilities compared to existing aircraft. The ongoing capability-based assessment (CBA) will define the main requirements for the new aircraft, taking into account the evolving global threat environment.
The current USAF inventory comprises 222 C-17A Globemaster III and 52 C-5M Super Galaxy aircraft. The C-17A is capable of transporting approximately 82 metric tons of cargo, while the larger C-5M can carry up to 135 metric tons. Both types are considered to be reaching the later stages of their service lives.
In addition to enhanced defensive systems, the new airlifter is being designed to operate effectively in high-threat environments. General Lamontagne emphasized the need for reduced ground time during operations, particularly for refueling, to increase survivability and mission effectiveness.
An additional program, the Next Generation Intra-theater Airlift (NGIA), is being developed to address airlift needs in regions with damaged infrastructure. The Air Force is also considering the development of a new aerial refueling system as part of its broader modernization strategy.
According to Lamontagne, the process for selecting a replacement will be formalized through an analysis of alternatives in the coming years. While there are no current plans to restart C-17 production, the option remains under discussion.
The upcoming recapitalization of the strategic airlift fleet is seen as necessary to meet rising operational requirements and ensure effective support for US military operations. The formal launch of the program and subsequent industry engagement are expected within the next few years.
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