An instructor with the Instructor Qualification Course, shows students the proper method of placing anchoring hooks before scaling a rock face May 11, 2011. - An instructor with the Instructor Qualification Course, shows students the proper method of placing anchoring hooks before scaling a rock face May 11, 2011.

Frank Santiago, a rider coach for base safety, flies around a corner of Chuckwalla Valley Raceway, practicing what he has learned from classes during a Jason Pridmore’s Star School class sponsored by the Combat Center’s Base Safety May 13, 2011. - Frank Santiago, a rider coach for base safety, flies around a corner of Chuckwalla Valley Raceway, practicing what he has learned from classes during a Jason Pridmore’s Star School class sponsored by the Combat Center’s Base Safety May 13, 2011.

Yellow caution tape marks the perimeter of a simulated vehicle accident scene on Adobe Road May 18, 2011. The mock accident between a 7-ton truck and van was part of the state-wide exercise Golden Guardian, which evaluated the Combat Center’s response to natural disasters. - Yellow caution tape marks the perimeter of a simulated vehicle accident scene on Adobe Road May 18, 2011. The mock accident between a 7-ton truck and van was part of the state-wide exercise Golden Guardian, which evaluated the Combat Center’s response to natural disasters.

Sergeant Maj. James Walsh, the Headquarters Battalion sergeant major, discusses a scenario designed to test the decision-making abilities of Marines and their understanding of the rules and regulations covering the repeal of Don't Ask, Don't Tell. - Sergeant Maj. James Walsh, the Headquarters Battalion sergeant major, discusses a scenario designed to test the decision-making abilities of Marines and their understanding of the rules and regulations covering the repeal of Don't Ask, Don't Tell.

Dromynique Chestnut, son of 1st Sgt. Marcus Chestnut, Combat Logistics Battalion 7, smiles at a video of his dad congratulating him on graduating from gigh school during a banquet May 10, 2011. - Dromynique Chestnut, son of 1st Sgt. Marcus Chestnut, Combat Logistics Battalion 7, smiles at a video of his dad congratulating him on graduating from gigh school during a banquet May 10, 2011.

The Combat Center Marine Band performs patriotic songs during the third concert in the Spring Concert Series at Luckie Park in Twentynine Palms, Calif., April 23, 2011. - The Combat Center Marine Band performs patriotic songs during the third concert in the Spring Concert Series at Luckie Park in Twentynine Palms, Calif., April 23, 2011.