The phrase "an important capability" is correct and usable in written English.
You can use it when discussing a skill, feature, or quality that is significant or valuable in a particular context.
Example: "In today's competitive market, adaptability is an important capability for any successful business."
Alternatives: "a crucial skill" or "a vital ability".
The F-22 jet fighter program is "coming along fine," he said, and the Joint Strike Fighter is "an important capability".
A similar effort at balance informs Nussbaum's discussion of religion: while she wants to restrain religious authorities from interfering with women's capabilities, she also sees the quest for transcendence as an important capability in its own right.
Machine learning is an important capability for Deere's future".
Automated target tracking and recognition (ATR) is an important capability in many military and civilian applications.
Outdoor UWB positioning systems provide an important capability for emerging semiautonomous applications in defense, construction, and agricultural vehicles.
The company has noted that a propulsive landing strategy is an important capability if you ever want to land humans on a planet without an ocean, like Mars.
While you might legitimately wonder why sales and service people are the recipients of all the wonder that is AI in the enterprise, it seems like a reasonable starting point to improve the likelihood of making sales and understanding your customers better, an increasingly important capability in the mobile-social-cloud age.
According to Owens, attacking foreign computers is "a very important capability".
Oxygenic photoautotrophy seems to be a particularly important capability of terrestrial organisms, simply because their energy source (light), reductant power (water), and carbon source (CO2) are readily available in these environments.
Airplanes devoted to electronic listening, on the other hand, do add a hugely important capability to the international coalition rallied against the Islamic State.
They included briefing papers to Congress from 2009 and 2011 about the "very large scale" logging of Americans' calling records — along with a related program that logged Americans' e-mails, and that was shut down later in 2011 — portraying the programs as providing a vital and important capability.
