OPERATIONAL SYSTEMS DEVELOPMENT 11,683,139 11,739,279 SOFTWARE AND DIGITAL TECHNOLOGY PILOT PROGRAMS 278 0608648D8Z ACQUISITION VISIBILITY—SOFTWARE PILOT PROGRAM 21,355 21,355 279 0303150K GLOBAL COMMAND AND CONTROL SYSTEM 33,166 33,166 9999 9999999999 CLASSIFIED PROGRAMS 270,653 270,653 SUBTOTAL SOFTWARE AND DIGITAL TECHNOLOGY PILOT PROGRAMS 325,174 325,174 TOTAL RESEARCH, DEVELOPMENT, TEST & EVAL, DW 36,185,834 36,446,974 OPERATIONAL TEST & EVAL, DEFENSE MANAGEMENT SUPPORT 1 0605118OTE OPERATIONAL TEST AND EVALUATION 169,544 169,544 2 0605131OTE LIVE FIRE TEST AND EVALUATION 103,252 103,252 3 0605814OTE OPERATIONAL TEST ACTIVITIES AND ANALYSES 58,693 58,693 SUBTOTAL MANAGEMENT SUPPORT 331,489 331,489 TOTAL OPERATIONAL TEST & EVAL, DEFENSE 331,489 331,489 TOTAL RDT&E 144,979,625 146,140,912 XLIII OPERATION AND MAINTENANCE 4301. OPERATION AND MAINTENANCE SEC. 4301. OPERATION AND MAINTENANCE (In Thousands of Dollars) Line Item FY 2024 Request Senate Authorized OPERATION & MAINTENANCE, ARMY OPERATING FORCES 010 MANEUVER UNITS 3,943,409 3,943,409 020 MODULAR SUPPORT BRIGADES 225,238 225,238 030 ECHELONS ABOVE BRIGADE 947,395 947,395 040 THEATER LEVEL ASSETS 2,449,141 2,449,141 050 LAND FORCES OPERATIONS SUPPORT 1,233,070 1,233,070 060 AVIATION ASSETS 2,046,144 2,046,144 070 FORCE READINESS OPERATIONS SUPPORT 7,149,427 7,149,427 080 LAND FORCES SYSTEMS READINESS 475,435 475,435 090 LAND FORCES DEPOT MAINTENANCE 1,423,560 1,423,560 100 MEDICAL READINESS 951,499 951,499 110 BASE OPERATIONS SUPPORT 9,943,031 9,943,031 120 FACILITIES SUSTAINMENT, RESTORATION & MODERNIZATION 5,381,757 5,381,757 130 MANAGEMENT AND OPERATIONAL HEADQUARTERS 313,612 313,612 140 ADDITIONAL ACTIVITIES 454,565 454,565 150 RESET 447,987 447,987 160 US AFRICA COMMAND 414,680 414,680 170 US EUROPEAN COMMAND 408,529 408,529 180 US SOUTHERN COMMAND 285,692 285,692 190 US FORCES KOREA 88,463 88,463 200 CYBERSPACE ACTIVITIES—CYBERSPACE OPERATIONS 507,845 507,845 210 CYBERSPACE ACTIVITIES—CYBERSECURITY 704,667 704,667 SUBTOTAL OPERATING FORCES