The latest message from al Qaeda leader Ayman al-Zawahiri urging supporters to unite against enemies may be, at first glance, a fairly routine statement from an aging leader seeking to remain relevant. Zawahiri warns “Muslims face enemies from many sides” including Shiite Muslims, Americans, Russians, French and Chinese, in a video released Tuesday, according to the SITE Intelligence Group.

But the timing of the video has a deeper significance to US intelligence and military officials. The latest US intelligence assessment on al Qaeda released last week is that senior leaders are “strengthening the network’s global command structure,” as part of its effort to inspire and encourage attacks against the West.

Zawahiri, for his part, remains a very visible international symbol of the group, eight years after the US killed Osama Bin Laden. While Bin Laden and Zawahiri are perhaps regarded by younger jihadists as leaders of a by-gone era of the 9-11 attacks, US intelligence is not ready to write off his influence or ability to inspire a younger generation through al Qaeda’s current networks.

Read more: WPMT Fox 43