1510 - AIRCRAFT, FIXED WING
1520 - AIRCRAFT, ROTARY WING
1550 - DRONES
1680 - MISCELLANEOUS AIRCRAFT ACCESSORIES AND COMPONENTS
6910 - TRAINING AIDS
AC14 - R&D- DEFENSE SYSTEM: AIRCRAFT (ENGINEERING DEVELOPMENT)
AJ11 - PHYSICAL SCIENCES (BASIC)
AJ12 - R&D-PHYSICAL SCIENCE-A RES/EXPL DEV
AR11 - R&D- SPACE: AERONAUTICS/SPACE TECHNOLOGY (BASIC RESEARCH)
AR12 - R&D-AERO & SPACE TECH-A RES/EXPL DE
AS21 - R&D- MODAL TRANSPORTATION: SURFACE MOTOR VEHICLES (BASIC RESEARCH)
AS23 - R&D- MODAL TRANSPORTATION: SURFACE MOTOR VEHICLES (ADVANCED DEVELOPMENT)
B539 - AERONAUTIC/SPACE STUDIES
H116 - QUALITY CONT SV/AIRCRAFT COMPONENTS
H210 - EQ TEST SVCS/WEAPONS
H215 - EQUIPMENT AND MATERIALS TESTING- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
H216 - EQ TEST SVCS/AIRCRAFT COMPONENTS
H217 - EQ TEST SVCS/AIRCRAFT GROUND EQUIP
H218 - EQ TEST SVCS/SPACE VEHICLES
H316 - INSPECTION- AIRCRAFT COMPONENTS AND ACCESSORIES
H915 - OTHER QC/TEST/INSPECT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
H916 - OTHER QC SVCS/AIRCRAFT COMPONENTS
H917 - OTHER QC SVCS/AIRCRAFT GROUND EQ
J015 - MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
J016 - MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT COMPONENTS AND ACCESSORIES
J017 - MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT LAUNCHING, LANDING, AND GROUND HANDLING EQUIPMENT
K015 - MODIFICATION OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
K016 - MODIFICATION OF EQUIPMENT- AIRCRAFT COMPONENTS AND ACCESSORIES
K017 - MODIFICATION OF EQUIPMENT- AIRCRAFT LAUNCHING, LANDING, AND GROUND HANDLING EQUIPMENT
L015 - TECHNICAL REPRESENTATIVE- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
L016 - TECH REP SVCS/AIRCRAFT COMPONENTS
L017 - TECHNICAL REPRESENTATIVE- AIRCRAFT LAUNCHING, LANDING, AND GROUND HANDLING EQUIPMENT
N015 - INSTALLATION OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS
N016 - INSTALLATION OF EQUIPMENT- AIRCRAFT COMPONENTS AND ACCESSORIES
N017 - INSTALLATION OF EQUIPMENT- AIRCRAFT LAUNCHING, LANDING, AND GROUND HANDLING EQUIPMENT