JOINT BASE LEWIS-McCHORD, Wash. -- A Joint Base Lewis-McChord unit will conduct day and nighttime training with 60 mm, 81 mm and 120 mm mortars starting 12:01 a.m. May 8 and continuing to 11:59 p.m. May 10.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.Queries or comments about noise may be directed to the JBLM External Communication Division hotline at 253-967-0852 or at