Military Occupational Classification and Structure - U.S. Army

soldiers in the accomplishment of their duties. Provides technical
assistance to supported units. Installs equipment modifications.
(3) MOSC 27T3O. Performs duties in preceding skill levels, supervises
lower rank soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties. Establishes workload
and repair priorities. Recommends procedures for receipt, storage,
inspection, testing and repair of the AVENGER system and its
components. Implements quality control measures. Maintains maintenance
records and prepares maintenance reports.
(4) MOSC 27T4O. Perform duties in preceding skill levels, supervises
lower rank soldiers and provides technical guidance to the
soldiers in the accomplishment of their duties. Supervises and coordinates
unit level, direct support and general support maintenance
o n A V E N G E R s y s t e m s , a s s o c i a t e d t r a i n e r s , t e s t e q u i p m e n t a n d
power generation equipment. Supervises calibration of electronic
equipment associated with the AVENGER system. Performs inspections
of system maintenance. Ensures quality control measures are
implemented.
b. Physical demands rating and qualifications for initial award of
M O S . A V E N G E R c r e w m e m b e r s m u s t p o s s e s s t h e f o l l o w i n g
qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 222221.
(3) Normal color vision.
(4) A minimum score of 100 in aptitude area EL.
(5) A security clearance of CONFIDENTIAL.
(6) A U.S. citizen.
(7) Mandatory formal training (or waiver granted by Command
a n t , U . S . A r m y O r d n a n c e M i s s i l e a n d M u n i t i o n s C e n t e r a n d
School, Redstone Arsenal, AL 35897-6000).
c. Additional skill identifiers.
(1) P5—Master Fitness Trainer.
(2) 2S—Battle Staff Operations (skill level 3 and above).
(3) 4A—Reclassification Training.
d. Physical requirements and standards of grade. Physical requirements
and SG relating to each skill level are listed in the
following tables:
(1) Table 10-27T-1. Physical requirements.
(2) Table 10-27T-2. Standards of grade TOE/MTOE.
(3) Table 10-27T-3. Standards of grade TDA.
10–95. 27X—PATRIOT System Repairer (PATRIOT Sys
Rep), CMF 35
a. Major duties. The PATRIOT system repairer performs or supervises
direct and general support (DS/GS) level maintenance on
the PATRIOT missile system, associated equipment and trainers.
Duties for MOS 27X at each level of skill are:
(1) MOSC 27X2O. Performs DS/GS level maintenance on the
PATRIOT Information and Coordination Central (ICC), Engagement
Control Station (ECS), Radar Set (RS), Antenna Mast Group
(AMG), Launching Station (LS) and Communications Relay Group
(CRG). Performs tests and adjusts components to specific tolerances
and determines shortcomings and malfunctions in electronic assemblies,
subassemblies, modules and circuit elements with common
and system peculiar test equipment. Isolates malfunctions using automatic
and semi-automatic program maintenance diagnostic software,
unit self test and built in test equipment (BITE). Develops
specialized computer software tests to evaluate suspected faults.
I s o l a t e s s y s t e m i n t e r f a c e m a l f u n c t i o n s . D e t e r m i n e s s e r v i c e a b i l i t y
and disposition of defective assemblies, subassemblies, modules and
c i r c u i t e l e m e n t s . R e p a i r s u n s e r v i c e a b l e i t e m s b y r e m o v i n g a n d
replacing defective components. Operates and performs unit level
maintenance on standard and system peculiar test equipment. Performs
quality control measures and serves on maintenance and inspection
teams. Completes maintenance and supply forms. Provides
technical assistance to supported units.
(2) MOSC 27X3O. Performs duties shown in preceding level of
skill and provides technical guidance to lower grade personnel in the
performance of their duties. Performs initial, in process and final
type inspections of designated system items and their assemblies,
DA PAM 611–21 • 31 March 1999
subassemblies, modules and circuit elements. Performs as maintenance
technical inspector.
(3) MOSC 27X4O. Performs and supervises duties performed at
preceding levels of skill. Implements quality control measures, determines
faulty work practices and demonstrates proper maintenance
and troubleshooting techniques. Establishes workloads and repair
priorities. Establishes and maintains maintenance records. Supervises
maintenance and inspection teams. Instructs lower ranking
personnel in the technical aspects of the PATRIOT system. Prepares
maintenance and supply forms.
(4) MOSC 27X5O. Performs and supervises duties performed at
preceding levels of skill. Recommends procedures for receipt, storage,
inspection, testing and repair of items. Organizes maintenance
teams. Prepares maintenance reports.
b. Physical demands rating and qualifications for initial award of
M O S . P A T R I O T s y s t e m r e p a i r e r m u s t p o s s e s s t h e f o l l o w i n g
qualifications:
(1) Physical demands rating—not applicable.
(2) A physical profile of 222221.
(3) Normal color vision.
(4) A minimum score of 110 in aptitude area EL.
(5) A security clearance of SECRET.
(6) A U.S. citizen.
(7) Qualified in MOS 24H, 24K, 27G, 27H, 27K, 35C, 35E, 35H,
35J, or 35Y in grades SGT or SSG.
(8) Formal training (completion of MOS 27X Course conducted
under the auspices of the U.S. Army Ordnance Missile and Munitions
School) mandatory; or waiver may be granted by the Commandant
USAOMMCS, Redstone Arsenal, AL 35897-6000.
c. Additional skill identifiers.
(1) P5—Master Fitness Trainer.
(2) 2S—Battle Staff Operations (skill level 3 and above).
(3) 4A—Reclassification Training.
(4) 8A—Identification Friend or Foe (IFF) Repairer.
d. Physical requirements and standards of grade. Physical requirements
and SG relating to each skill level are listed in the
following tables:
(1) Table 10-27X-1. Physical requirements.
(2) Table 10-27X-2. Standards of grade TOE/MTOE.
(3) Table 10-27X-3. Standards of grade TDA.
10–96. 27Z—Missile Systems Maintenance Chief (Msl Sys
Mnt Ch), CMF 35
a. Major duties. The missile systems maintenance chief supervises,
plans and coordinates overall maintenance of the AVENGER,
A T A C M S , B F V S , C H A P A R R A L , D R A G O N , H A W K , L C S S ,
MLRS, TOW, and VULCAN weapon systems and associated subsystems.
Duties for MOS 27Z are: supervises, inspects and evaluates
activities of subordinate units or sections engaged in missile systems
m a i n t e n a n c e a n d a s s o c i a t e d s u p p l y a c t i v i t i e s . S e r v e s a s m i s s i l e
maintenance control sergeant in maintenance control or operations
element of a company, detachment, or comparable organization engaged
in missile maintenance. Assists in development and supervises
quality assurance and quality control programs. Senior NCO in
logistical support activities and material acquisition process to include
senior career management NCO or senior career advisor.
Serves as chief advisor to a reserve component and foreign military
units and as chief instructor in major service schools.
b. Physical demands rating and qualifications for initial award of
MOS. The missile systems maintenance chief must possess the following
qualifications:
(1) Physical demands rating—N/A.
(2) A physical profile of 223221.
(3) Normal color vision.
(4) Minimum aptitude area score—N/A.
(5) A security clearance of SECRET.
(6) A U.S. citizen.
c. Additional skill identifiers.
(1) P5—Master Fitness Trainer.
(2) 2S—Battle Staff Operations (skill level 3 and above).
(3) 4A—Reclassification Training.
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