192,131 192,131 OPERATIONAL SYSTEM DEVELOPMENT 250 1160408BB OPERATIONAL ENHANCEMENTS 3,632 3,632 251 1160431BB WARRIOR SYSTEMS 11,040 11,040 253 1160434BB UNMANNED ISR 11,700 11,700 254 1160480BB SOF TACTICAL VEHICLES 725 725 SUBTOTAL OPERATIONAL SYSTEM DEVELOPMENT 219,228 219,228 TOTAL RESEARCH, DEVELOPMENT, TEST & EVAL, DW 500,544 500,544 TOTAL RDT&E 1,307,731 1,307,731 XLIII OPERATION AND MAINTENANCE 4301. OPERATION AND MAINTENANCE SEC. 4301. OPERATION AND MAINTENANCE (In Thousands of Dollars) Line Item FY 2019 Request Senate Authorized OPERATION & MAINTENANCE, ARMY OPERATING FORCES 010 MANEUVER UNITS 2,076,360 2,076,360 020 MODULAR SUPPORT BRIGADES 107,946 107,946 030 ECHELONS ABOVE BRIGADE 732,485 732,485 040 THEATER LEVEL ASSETS 1,169,508 1,169,508 050 LAND FORCES OPERATIONS SUPPORT 1,180,460 1,180,460 060 AVIATION ASSETS 1,467,500 1,467,500 070 FORCE READINESS OPERATIONS SUPPORT 4,285,211 4,285,211 080 LAND FORCES SYSTEMS READINESS 482,201 482,201 090 LAND FORCES DEPOT MAINTENANCE 1,536,851 1,536,851 100 BASE OPERATIONS SUPPORT 8,274,299 8,274,299 110 FACILITIES SUSTAINMENT, RESTORATION & MODERNIZATION 3,516,859 3,516,859 120 MANAGEMENT AND OPERATIONAL HEADQUARTERS 438,733 438,733 180 US AFRICA COMMAND 231,518 231,518 190 US EUROPEAN COMMAND 150,268 150,268 200 US SOUTHERN COMMAND 195,964 210,264 SOUTHCOM ABN GFE Sensor (GEOINT/SIGINT) [4,200] SOUTHCOM Cyber HUMINT (CME/OPS) [1,000] SOUTHCOM OSINT/PAI (CME/LIC/TOOLS) [1,600] SOUTHCOM Overland Airborne ISR Flight Hours [7,200] SOUTHCOM SIGINT Suite COMSAT RF [300] 210 US FORCES KOREA 59,625 59,625 SUBTOTAL OPERATING FORCES 25,905,788 25,920,088 MOBILIZATION 220 STRATEGIC MOBILITY 370,941 370,941 230 ARMY PREPOSITIONED STOCKS 573,560 573,560 240 INDUSTRIAL PREPAREDNESS 7,678 7,678 SUBTOTAL MOBILIZATION 952,179 952,179 TRAINING AND RECRUITING 250 OFFICER ACQUISITION 135,832 135,832 260 RECRUIT TRAINING 54,819 54,819 270 ONE STATION UNIT TRAINING 69,599 69,599 280 SENIOR RESERVE OFFICERS TRAINING CORPS 518,998 518,998 290 SPECIALIZED SKILL TRAINING 1,020,073