Intelligence gathered during the Jan. 28 raid on an al-Qaeda in the Arabian Peninsula complex in Yemen prompted a new restriction on electronic devices on flights arriving to the U.S. from certain countries.
According to a report by The Daily Beast, the information gathered in the aftermath of the raid — which resulted in the death Senior Chief Special Warfare Operator William Owens and injured several other troops — indicated that al-Qaeda had developed bombs that could fit inside laptop computers. An explosion on a Somali airliner last year was seen as a "proof of concept" for the new bombs, failing due to the low altitude of the plane.
The Daily Beast reported that the bombs must be manually triggered, prompting their ban from the aircraft cabins and carry-on luggage, but not from checked baggage. Wired.com reports that the American ban applies to inbound flights from eight predominately Muslim countries. The Daily Beast reported that the United Kingdom imposed a similar ban in the wake of the American one.
The Somali terrorist group al-Shabaab claimed responsibility for that airliner attack, which reportedly used PETN, the same explosive used by "shoe bomber" Richard Reid in 2002. As little as three and a haf ounces of PETN could bring down an airplane.
The Jan. 28 raid was controversial, not only for the death of Owens, but also due to civilian casualties, the unexpected heavy opposition, and the loss of a V-22 Osprey tiltrotor.
Sen. John McCain (R-AZ), the chairman of the Senate Armed Services Committee, labeled the operation a failure. President Donald Trump, though, called the operation a success, and also claimed that substantial intelligence had been gathered.
Al-Qaeda in the Arabian Peninsula has targeted airliners in the past. In 2009, the terrorist group was involved in the plot to use an underwear bomb to bring down Northwest Airlines Flight 253. The device malfunctioned, injuring the terrorist.