On 20 May 2016, the President, exercising his powers under UCMJ art. 36, signed an executive order amending the Manual for Courts-Martial. Changes to the rules of evidence are included. It was a change to Rule 311 that has draw significant attention and discussion among the UCMJ literati. Basically, a military judge grants suppression when
“exclusion of the evidence results in appreciable deterrence of future unlawful searches or seizures and the benefits of such deterrence outweigh the costs to the justice system.”
Mil. R. Evid. 311(a)(3) (2016).