[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"mos-detail-marines-8157":3,"mos-former-marines-8157":51,"mos-similar-marines-8157":53},{"id":4,"code":5,"mc_jobs_url":6,"title":7,"branch":8,"category":9,"description":10,"summarized_description":11,"core_skills":12,"common_certs":17,"role_families":18,"training_paths":6,"cert_flags":19,"clearance_profile":6,"asvab_requirements":6,"cross_branch_equivalents":20,"civilian_context":6,"career_guidance":21,"is_it_cyber":47,"status":48,"rank":49,"code_type":50,"parent_code":6,"parent_name":6},"c765f9c0-7db3-4dec-a77f-060fa105224d","8157",null,"Career Detachment Commander","Marine Corps","SUPPORT","MOS 8157, Career Detachment Commander (MGySgt to GySgt) PMOS, DC PP&O. High performing Marine Security Guard (MSG) Staff Non-Commissioned Officers assigned to the Marine Corps Embassy Security Group (MCESG); subject matter experts who establish a cadre of professional MSGs with long-term assignments in critical, operational, and managerial billets to improve operations, training, readiness, and effectiveness of the command. Billets include Detachment Commander at critical U.S. diplomatic posts overseas or in direct support/liaison to the Department of State, instructor/advisor at MSG school, and operations, training, screening, and assignment chiefs. Career DetCdrs can anticipate successive three-year tours; assignment is determined by MCESG needs; Gunnery Sergeants serving as Career DetCdrs may be considered for promotion to master sergeant and first sergeant.","Career Detachment Commanders are experienced Marine Security Guard staff noncommissioned officers serving in long-term operational and managerial billets within the Marine Corps Embassy Security Group. Assignments include detachment command at diplomatic posts, Department of State liaison, MSG school instruction, and operations, training, screening, and assignment management.",[13,14,15,16],"Embassy security detachment leadership","Marine Security Guard training and readiness oversight","Screening and assignment management","Department of State liaison support",[],[],{},[],{"version":22,"model":23,"reviewedAt":24,"skills":25,"paths":35,"training":36,"limitations":37,"definitionSourceIds":40,"sources":41},1,"gpt-6-astra","2026-10-03",[26,29,31,33],{"label":13,"sourceIds":27},[28],"marine_corps-8157-duties",{"label":14,"sourceIds":30},[28],{"label":15,"sourceIds":32},[28],{"label":16,"sourceIds":34},[28],[],[],[38,39],"Civilian career paths and credential recommendations are not inferred from the MOS title or a COOL mapping alone. This page publishes the duties supported by the official manual.","The manual accepts an active or previously active adjudicated Top Secret clearance with SCI eligibility as an applicant prerequisite.",[28],[42],{"id":28,"title":43,"url":44,"locator":45,"excerpt":46},"NAVMC 1200.1M (FY27): MOS 8157, Career Detachment Commander","https://www.marines.mil/Portals/1/Publications/NAVMC%201200.1M%20(SECURED).pdf","Chapter 3, OccFld 81, MOS 8157; printed pp. 3-486 to 3-487; PDF pp. 904-905; cached text lines 55740-55822; primary PDF cached 2026-08-03, reviewed 2026-10-03","5.     MOS 8157, Career Detachment Commander (MGySgt to GySgt) PMOS, DC PP&O\n\n    a. Summary. Career Detachment Commanders (DetCdr) are high performing\nMarine Security Guard (MSG) Staff Non-Commissioned Officers (SNCO) who are\nassigned to the Marine Corps Embassy Security Group (MCESG) who are subject\nmatter experts and will serve to establish a cadre of professional MSGs with\nlong-term assignments in critical, operational, and managerial billets to\nimprove the operations, training, readiness, and effectiveness of the\ncommand. These include DetCdr billets at critical U.S. diplomatic posts\noverseas or those in direct support/liaison to the Department of State,\ninstructor/advisor at MSG school, and operations, training, screening, and\nassignment chiefs. Career DetCdrs can anticipate successive three-year tours\nin these key billets. Assignment of career DetCdr is determined by the needs\nof MCESG. Gunnery Sergeants serving as Career DetCdrs may be considered for\npromotion to master sergeant and first sergeant.\n\n       b.   Prerequisites\n\n            (1) Must comply with MCESG grooming standards (MCESG GruO 1020.1).\n\n        (2) Meet requirements listed in the current edition of MCO 1326.6\nChapter 4.\n\n\n\n                                         3-486                        Enclosure (1)\n\f3150                                                                NAVMC 1200.1M\n\n\n\n        (3) Have not been the subject of any 6105 counseling, NJP, courts\nmartial or civilian legal action in grade.\n\n        (4) Must be a SNCO who has not been passed for promotion twice or is\nnot within five years of service limitation.\n\n        (5) Security requirement: must have or have had an active\nadjudicated top-secret security clearance with SCI eligibility.\n\n        (6) Completion of the MSG DetCdr Course (M0258L7) must be reflected\non the individual's 3270, TEDU screen as a 58L Detachment Commander.\n\n        (7) No mental health or chronic medical diagnoses that will restrict\nor limit permanent or temporary assignments to overseas locations that do not\nhave adequate medical support.\n\n        (8) Must pass an interview with the Career Detachment Commander\nSelection Board consisting of the MCESG executive director, MCESG sergeant\nmajor, and MCESG psychologist or their delegates.\n\n        (9) Successful completion of a previous 8156 MSG DetCdr tour with\nawarding of the MSG ribbon or be currently serving as an 8156 MSG DetCdr with\nat least 24 months of experience and must have received mission capable\nratings on all detachment semi-annual inspections.\n\n        (10) Must be a volunteer. Marines interested in applying for the\nPMOS 8157 should initiate a reenlistment, extension, lateral move (RELM)\napplication with their local career retention specialist. All RELM must\ninclude a letter of recommendation from a former or current commanding\nofficer or officer-in-charge of one of the MCESG levels of command/school.\n\n       c.   Requirements\n\n        (1) Regardless of MOS, awarding of 8157 requires the above\nprerequisites to be met and receive a favorable endorsement from the\nselection board that recommends approval for lateral move.\n\n        (2) Commander, Marine Corps Embassy Security Group is the awarding\nauthority for PMOS 8157.\n\n    d. Duties. For a complete listing of duties and tasks, refer to the\nMCESG Training and Readiness (T&R) Manual.\n\n    e. Related Standard Occupational Classification (SOC) Title and Code.\nSecurity Guards 33-9032.\n\n       f.   Related Military Skill\n\n            (1) Formal School Instructor, 0951.\n\n            (2) Marine Security Guard, 8156.\n\n            (3) Marine Security Guard Detachment Commander, 8156.",false,"ACTIVE","enlisted","MOS",{"hasHistory":47,"former":52},[],[54,61,67,74,79,84],{"id":55,"code":56,"title":57,"branch":58,"category":59,"description":60,"status":48,"rank":49,"code_type":50,"asvab":6},"f6bf34fc-5489-42e4-80d3-1164ffd96953","2D","Police Intelligence Analyst (PIA)","Army","INTELLIGENCE","\u003Cp>ASI 2D is for personnel in grades E4 thru E7 who complete the Crime & Criminal Intelligence Analyst course.\u003C/p>",{"id":62,"code":63,"title":64,"branch":58,"category":65,"description":66,"status":48,"rank":49,"code_type":50,"asvab":6},"1904d38c-de61-4743-9902-81884caeb8bc","19Z","Armor Senior Sergeant","COMBAT","The armor senior sergeant serves as principal NCO in armor company, cavalry troop, or operations and intelligence staff sections in armor battalion, cavalry squadron, or higher level organizations. Plans, coordinates, and supervises activities pertaining to organization, training, combat operations, and combat intelligence. Supervises operations center at battalion and higher level units. Collects, interprets, analyzes, evaluates, and disseminates intelligence information and data. Edits and prepares tactical operations plans and orders. Coordinates implementation of operations, training programs, and communications activities.",{"id":68,"code":69,"title":70,"branch":71,"category":72,"description":73,"status":48,"rank":49,"code_type":50,"asvab":6},"9408d5f4-c3b9-483a-8d8e-939b722b9304","1C7X1","Airfield Management","Air Force","AVIATION","The projection of airpower warrants the need for a takeoff surface, a safe place to land, and a secure, efficient, and effective airfield environment for Airmen and Aviators. Airfield Management is responsible for routine airport safety inspections, maintenance coordination, oversight of airport pavements, Visual Navigational Aids and Facilities, airfield components, and the enforcement of DoD or Host Nation airfield design criteria. Airfield Management sterilizes the environment to allow the safe passage of aircrew, regulates and enforces ground operation and driving procedures, plans and oversees airport construction, performs National Airspace System flight following , develops a systematized plan for the parking of aircraft, conducts wildlife deterrence, performs emergency response and dispatches first responders as a vital element in the National Incident Management System, and publishes advisories for airport users.",{"id":75,"code":76,"title":77,"branch":58,"category":59,"description":78,"status":48,"rank":49,"code_type":50,"asvab":6},"92d50b2c-3cc2-48a4-89c3-005dea97e3f8","S7","Foreign Counterintelligence Agent","\u003Cp>Identifies selected positions requiring soldiers involved in Foreign Counterintelligence.\u003C/p>",{"id":80,"code":81,"title":82,"branch":58,"category":65,"description":83,"status":48,"rank":49,"code_type":50,"asvab":6},"08285330-894d-4e52-964e-add8ccf13634","5W","Jumpmaster","Identifies positions requiring the incumbent to possess advanced airborne knowledge, skills and behaviors.",{"id":85,"code":86,"title":87,"branch":71,"category":88,"description":89,"status":48,"rank":49,"code_type":50,"asvab":6},"ec8c50a8-d057-49c4-879e-86bb97fdae64","3E7X1","Fire Protection","ENGINEERING","The Air Force operates with unusual materials and unique environments all over the world, so we need specialists prepared for anything. Acting as the firemen of the Air Force, Fire Protection specialists deal with everything from brush fires to burning rocket fuel and hazardous material fires. Upholding our mission to ensure the safety of others, these specialists don’t just act on Air Force bases, but assist civilian fire departments when needed as well."]