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 Trial Services

The mission of the Trial Service Office is to provide legal advice and support to all MCAS Yuma tenant commands in the prosecution of Marines and sailors in general, special and summary courts-martial. 

The Trial Service Office provides legal services and advice in matters involving criminal violations of the Uniform Code of Military Justice to the commands aboard MCAS Yuma. 

Senior Trial Counsel: Maj. Joseph S. High

Trial Counsel: 1stLt Ian Lamb

Trial Services NCOIC: Sgt Blake Morris

Trial Services Clerks: Cpl Angelique S. Perez
                              Cpl Criston A. Pena 

                                  LCpl Daniel A. Barrera

                                  PFC Dimitri H. Laurent


- Process Requests for Legal Services from tenant commands. 
- Represent the Government
in all courts-martial proceedings. 
- Provide advice to commanding officers regarding criminal investigations. 
- Provide recommendations to commanding officers for appropriate disposition of criminal offenses committed by Marines or Sailors. 
- Conduct military justice training for commanding officers, executive officers and unit legal officers as requested 


Request for Legal Services (RLS)

Manual for Courts-Martial (MCM 2019 ed.)

MCAS Yuma Victim and Witness Assistance Program




 Contact Us
Area code and prefix for all numbers is 928-269-XXXX unless otherwise specified.
Legal Services Support Detachment Yuma
PO Box 99126
Yuma, AZ

Administrative Law 2870
1stLt Ian Lamb
Sgt Blake Morris
Cpl Angelique Perez
Defense Services
Mon - Fri 0730 - 1630
Bldg 852 West Wing


Defense Services OIC
Capt Joseph Riccardi

Defense Chief
Sgt Adam Serrano
Defense Clerk
LCpl Envy Pasillas
Legal Assistance
Mon - Fri 0730 - 1130, 1300 - 1630
Bldg 852

Legal Assistance OIC
1st Lt Matthew D. Sherman

PFC Cesar A. Pivaral
Legal Assistance Paralegal
Mr. Joe Covarrubias
VITA Tax Center
Mon - Fri 0800 - 1530
Trial Services 2891
Senior Trial Counsel
MAJ Joseph S. High
Trial Counsel
1stLt Ian Lamb
Sgt Blake Morris

Cpl Angelique S. Perez
Cpl Criston A. Pena 

LCpl Daniel A. Barrera

PFC Dimitri H. Laurent

Victims' Legal Counsel Western Region
Capt Robert T. Weaver




Marine Corps Air Station Yuma