No, because its a representation of the logo, and that doesnt have a full stop.
But I do like their creativity in constantly changing the artwork on their title page, often reflecting something current. What this could signify though is beyond me. Is it some kind of anniversary of morse, perhaps?
Our successors in the military have it easy on comms these days with encripted voice. I remember taking ages to encript 5 figure groups in One time pads and pedalling a man pack generator strapped to a tree. Is it the (bi?) centenary of the inventor of morse?