The Defense Advanced Research Projects Agency (DARPA) Multi X Office (MXO) (formerly known as Microsystems Technology Office) will host an invitation-only, in-person Pitch Day on November 2, 2026, in Chicago, Illinois (event details available in the MXO Spark Tank Special Notice DARPA-SN-26-73). The required Abstracts are anticipated to be submitted and evaluated by DARPA in July/August 2026. Proposers that are selected for further evaluation of their submitted concepts will be invited to submit a Pitch Day Presentation (PDP) package and pitch their proposal via an oral presentation at MXO Pitch Day.