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The 757th operates 8 C-130H2 aircraft, four of which are modified to accept the Modular Aerial Spray System. Each MASS has a capacity of 2,000 gallons; which can be delivered at a flow Rate of 232 Gallons per Minute, at an altitude of 100 Feet for a total spray-on time of 8 Minutes and 30 Seconds.

The MASS is thus used to secure an area for holding dispersant, for spill cleanup plans for parking area, and for spill cleanup material for parking area.


The aerial spray mission, transferred to Air Force Reserve Command (AFRC) from the 4500th Aerial Spray Flight, Langley Air Force Base Va. on April 1, 1973. The 355th Tactical Airlift Squadron (AFRC) gained the mission using UC-123K spray aircraft and an active-duty Air Force entomologist. The unit's first spray mission took place at Langley Air Force Base on May 22, 1973 to control mosquitoes. (...)"
http://www.globalsecurity.org/military/agency/usaf/757as.htm