Lt. Cmdr. Laura Springer, from Marine Safety Unit Portland, Ore., explains why the Coast Guard is patrolling and enforcing safety zones on the Columbia River during the Columbia Cup hydroplane races being held in Kennewick, Wash., July 24 to 26, 2015.
The Coast Guard partnered with Washington state and local law enforcement to enforce a safety zone that surrounded the hydroplane race course in the Columbia River Basin helping to ensure the safety of on-water spectators.
U.S. Coast Guard video by Petty Officer 1st Class Levi Read.
A Coast Guard boat crew aboard a 29-foot Response Boat-Small II patrols the Columbia River among spectators of the Columbia Cup hydroplane races and air show held in Kennewick, Wash., July 25, 2015.
The patrol was part of enforcement of a safety zone boundary up river from Columbia Cup events.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
A Coast Guard Auxiliary boat with a sea cadet crew patrols the Columbia River among spectators of the Columbia Cup hydroplane races and air show held in Kennewick, Wash., July 25, 2015.
The patrol was part of enforcement of a safety zone boundary down river from Columbia Cup events.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
A U.S. Air Force F-16 Fighting Falcon jet and a P-51 Mustang airplane fly over the Blue Bridge connecting Pasco, Wash., and Kennewick, Wash., during the HAPO Over the Water Air Show, July 25, 2015.
Coast Guard and Coast Guard Auxiliary boat crews enforced safety zones on the Columbia River to help ensure the safety of on-water spectators watching the air show.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
A boat crew from Aids to Navigation Team Kennewick, aboard a 26-foot ATON boat, and a Coast Guard Auxiliary boat crew patrols the lower division of the Columbia River while enforcing a safety zone for the Columbia Cup Hydroplane races and air show held in Kennewick, Wash., July 25, 2015.
Coast Guard and Coast Guard Auxiliary boat crews along with local maritime law enforcement patrolled areas up and down river from the events taking place in the safety zone to ensure the safety of spectators.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
Coast Guard Auxiliary member Jesse Greenough sits in a boat while on patrol of the Columbia River while enforcing a safety zone for the Columbia Cup hydroplane races and air show held in Kennewick, Wash., July 25, 2015.
The patrol was part of enforcement of a safety zone boundary down river from Columbia Cup events.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
Coast Guard Auxiliary member Brad Nielsen operates his boat while on patrol of the Columbia River while enforcing a safety zone for the Columbia Cup hydroplane races and air show held in Kennewick, Wash., July 25, 2015.
The patrol was part of enforcement of a safety zone boundary down river from Columbia Cup events.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
A boat crew from Aids to Navigation Team Kennewick, aboard a 26-foot ATON boat, patrols the lower division of the Columbia River while enforcing a safety zone for the Columbia Cup Hydroplane races and air show held in Kennewick, Wash., July 25, 2015.
Coast Guard and Coast Guard Auxiliary boat crews along with local maritime law enforcement patrolled areas up and down river from the events taking place in the safety zone to ensure the safety of spectators.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
A boat crew from Aids to Navigation Team Kennewick, aboard a 26-foot ATON boat, patrols the lower division of the Columbia River while enforcing a safety zone for the Columbia Cup Hydroplane races and air show held in Kennewick, Wash., July 25, 2015.
Coast Guard and Coast Guard Auxiliary boat crews along with local maritime law enforcement patrolled areas up and down river from the events taking place in the safety zone to ensure the safety of spectators.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
Chief Warrant Officer Gary Clark, commanding officer at Coast Guard Station Grays Harbor, scans the Columbia River with binoculars to ensure Coast Guard boat crews are in position to enforce the safety zone along the Columbia River during the Columbia Cup hydroplane races held in Kennewick, Wash., July 24, 2015.
Clark is manning one of the command and control positions and is ensuring Coast Guard boat crews are in proper position to enforce the safety zone.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
Chief Petty Officer Justin Urbano, an operation's specialist at Coast Guard Sector Columbia River, listens to a radio call reporting position and operations of a boat crew enforcing a safety zone on the Columbia River in Kennewick, Wash., during the Columbia Cup, July 24, 2015.
The Coast Guard and Coast Guard Auxiliary boat crews are enforcing a safety zone that will keep on-water Columbia Cup spectators safe from harm.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
Coast Guard Chief Petty Officers Matthew Degerelamo and Justin Urbano along with Chief Warrant Officer Gary Clark man the command and control booth (left third level) during the Columbia Cup hydroplane races held in Kennewick, Wash., July 24, 2015.
The command and control booth is the control point for Coast Guard operations during the Columbia Cup.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.
A Coast Guard boat crew aboard a 29-foot Response Boat-small II, enforces a safety zone on the Columbia River during the Columbia Cup hydroplane races held in Kennewick, Wash., July 24, 2015.
The safety zone is being enforced to keep on-water Columbia Cup spectators safe during the races.
U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.