JOINT BASE LEWIS-MCCHORD, Wash. -- Joint Base Lewis-McChord will conduct day and night training with artillery, mortars and demolitions from 6 a.m. Sept. 7 to 11:59 p.m. Sept. 22.The local community can expect to hear increased levels of activity during the daytime and nighttime hours, and it can extend beyond the posted times due to training requirements.Public queries or comments about noise may be directed to JBLM Garrison Public Affairs by visiting: