JOINT BASE LEWIS-MCCHORD, Wash. -- Joint Base Lewis-McChord will conduct day and nighttime training with demolitions from 12 a.m. Feb. 20 to 11:59 p.m. Feb. 20.Public queries or comments about noise may be directed to JBLM Public Affairs through: https://home.army.mil/lewis-mcchord/index.php/contact/noise-and-public-disturbances.