(concurring in the result):
I would affirm on the basis of harmless error. Art. 59(a), Uniform Code of Military Justice, 10 USC § 859(a). I cannot join the majority because, in my view, Lieutenant Peterson was not properly qualified as an expert in predicting future drug use by the accused. See United States v. Farrar, 28 MJ 387 (CMA 1989).