December 9, 2017 - By 3rd Marine Aircraft Wing - Marines and Aircraft from 3rd Marine Aircraft Wing (MAW) are coordinating with the California Department of Forestry and Fire Protection (CAL FIRE) for aerial firefighting support in northern San Diego County.
Two UH-1Y Venoms from Marine Light Attack Helicopter Squadron (HMLA) 267, MCAS Camp Pendleton, are flying in direct support of the Lilac Fire, while two CH-53E Super Stallions from Marine Heavy Helicopter Squadron (HMH) 462, MCAS Miramar, are on standby.
U.S. Marines with Helicopter Support Team, Landing Support Company, Combat Logistics Regiment 27 (CLR-27) prepare a M-777 Howitzer for an external lift with a Marine Corps CH-53 Super Stallion at Landing Zone Bull, Chocolate Mountain Aerial Gunnery Range, Calif., Oct. 1, 2011. CLR-27 was in support of Weapons and Tactics Instructor Course 1-12, hosted by Marine Aviation Weapons and Tactics Squadron One. (U.S. Marine
Corps photo by Cpl. Richard A. Tetreau/Released)
UH-1Y 
YUH-1Y
The UH-1Y can transport a bucket with a maximum capacity of 320 gallons, and the CH-53E can carry a 900-gallon bucket to assist in the firefighting efforts. The level of aerial firefighting support depends on forecasted high-wind weather conditions throughout the weekend.
Source: CAL OES