Adams Communications & Engineering Technology, Reston, Virginia (FA807518D0001, P00014); Alion Science & Technology Corp., McLean, Virginia (FA807518D0002, P00015); BAE Systems Technology Solutions & Services Inc., Rockville, Maryland (FA807518D0003, P00012); Battelle Memorial Institute, Columbus, Ohio (FA807518D0004, P00012); Booz Allen Hamilton Inc., McLean, Virginia (FA807518D0005, P00012); CACI Inc., Chantilly, Virginia (FA807518D0006, P00012); Science Applications International Corp, Reston, Virginia (FA807518D0007, P00013); Georgia Tech Applied Research Corp., Atlanta, Georgia (FA807518D0008, P00011); Leidos, Reston, Virginia (FA807518D0009, P00014); ManTech TSG-2 JV, Herndon, Virginia (FA807518D0011, P00014); Raytheon Co., Tucson, Arizona (FA807518D0012, P00012); Southwest Research Institute, San Antonio, Texas (FA807518D0013, P00013); Amentum Services Inc., Chantilly, Virginia (FA807518D0014, P00016); KBR Wyle Services LLC, Lexington Park, Maryland (FA807518D0015, P00014), Agile Innovative Solutions JV, Warminster, Pennsylvania (FA807519D0019, P00009); Barbaricum LLC, Washington, D.C. (FA807519D0020, P00008); SERCO Inc., Herndon, Virginia (FA807519D0021, P00013); Delta Constellation Group LLC, Alexandria, Virginia (FA807519D0022, P00008); Data Systems Analysis Inc., Feasterville Trevose, Pennsylvania (FA807519D0023, P00009); Centauri LLC, Chantilly, Virginia (FA807519D0024, P00008); Naval Systems Inc., Lexington Park, Maryland (FA807519D0025, P00009); Sonalysts Inc., Waterford, Connecticut (FA807519D0026, P00008); Systems Planning and Analysis-Envisioneering LLC, Alexandria, Virginia (FA807519D0027, P00008); Varen Technologies Inc., Columbia, Maryland (FA807519D0028, P00009); Battelle Memorial Institute, Columbus, Ohio (FA807518D0016, P00012); MRIGlobal, Kansas City, Missouri (FA807518D0017, P00012); and Southwest Research Institute, San Antonio, Texas (FA807518D0018, P00012), have been awarded a combined $20,000,000,000 modification to the previously awarded indefinite-delivery/indefinite-quantity, multiple award contract for research and development for the Department of Defense Information Analysis Center under the Defense Technical Information Center. The modification brings the total cumulative value of the contract to $48,000,000,000. The location of performance will be cited on individual task orders and is expected to be completed Sept. 29, 2027. No funds are being obligated at the time of modification. This was a sole-source acquisition. The 774th Enterprise Sourcing Squadron, Offutt Air Force Base, Nebraska, is the contracting activity.