The Marine Corps Air-Ground Combat Center "will be conducting a 29-day integrated training exercise called ITX 4-17. The exercise will conduct battalion-size, live-fire maneuvers and will incorporate combat support, combat service support, and aviation units," according to Z107.7.
Expect it to be loud.
MARINE TRAINING EXERCISE WILL BRING NOISE TO THE AREA
To make a comment on the exercise and sound levels, go to:
http://www.29palms.marines.mil/Staff/G5CommunityPlansPAO/SoundReporting.aspx
Call: (760) 830-9222
Email: SMBPLMSG_5SOUNDREPORTING@usmc.mil