LOS ANGELES (CBSLA.com/AP) — Residents in and around downtown Los Angeles could hear helicopters or other military aircraft over the coming days as Marines and sailors from Camp Pendleton train in preparation for a deployment.

The training is part of a two-week military exercise that starts Friday and extends through Dec. 16 and involves about 2,400 members of the 15th Marine Expeditionary Unit, according to the Associated Press.

via Camp Pendleton Marines To Conduct Training In Downtown LA « CBS Los Angeles.