Th Drctrt f Dfns, Rsrch, & Dvlpmnt (MD DDR&D r DDR&D) (Hbrw: מינהל למחקר, פיתוח אמצעי לחימה ותשתית טכנולוגית), bbrvtd Mf't (מפא"ת), s jnt dmnstrtv bdy f th srl Mnstry f Dfns (MD) nd th srl Dfns Frc (DF).
Th DDR&D s chrgd wth th dvlpmnt f nnvtv cncpts fr dfns tchnlgy, mngng th srl Mnstry f Dfns's shrt nd lng trm prjcts rltng t dfnsv tchnlgy, srvng s prfssnl tchncl bdy fr th rsrch nd dvlpmnt f mltry nd dfnsv tchnlgy, cprtng wth ntrntnl prtnrs n th fld f rsrch nd dvlpmnt, nd trnng th dfns stblshmnts nxt gnrtn f prsnnl nd tch prfssnls. Th DDR&D cprts wth th MD nd th DF, dfns cmpns sch s M Systms, srl rspc ndstrs, Rfl dvncd Dfns Systms, lbt Systms, th nsttt fr Blgcl Rsrch, th srl Spc gncy, strtps, cdmc nstttns, nd mr.
Th DDR&D mplys pprxmtly 1000 mn nd wmn, 75% f whm r ffcrs nd sldrs nd 25% f whm r cvlns. Th Drctr f th DDR&D rprts t bth th Drctr Gnrl f th srl Mnstry f Dfns nd th Chf f th Gnrl Stff f srl. Brgdr Gnrl (Rs.) Dr. Dnl Gld s th crrnt drctr f th DDR&D snc 2016.