BusinessJuly 16, 2026

sustainment

/səˈsteɪnmənt/

Definition

The process of providing ongoing support, maintenance, and supplies to ensure that complex defense systems remain operational and effective over the long term.

Etymology

Derived from the Latin 'sustinere,' meaning to hold up or support, combined with the English suffix '-ment' denoting an action or process. The term evolved to specifically describe the logistics of keeping military operations or equipment functional over an extended period.

In the news

In this article, sustainment refers to the collaborative efforts between Lockheed Martin and NATO allies to maintain the operational readiness and performance of the PAC-3 missile systems across Europe. It highlights the company's role in keeping critical defense technology functional through continuous logistical and technical support.

Lockheed Martin Earmarks $100 Million for Venture Capital Investments in U.K., Europe

Read the full article ↗

PR Newswire

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