Hi Matt The deployed Minot AFB, 23 BS B-52's forming the 457th AEG refered to RAF Fairford's Command Post, FORTRESS CONTROL 249.975 as BROWN, possibly BROWN 1. A number of other frequencies, particulary interplane freqs got a similar colour coding treatment. Cheers Andrew > 232316Z APR 03 "TUFF 37" B-52H 2nd BW 11th BS LA calling TUFF OPS on 228.325, > freq also BROWN ONE? > Matt