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  • Pseudorandom Noise Code Assignments

    Information about Global Positioning System (GPS) Pseudorandom Noise (PRN) codes and the PRN Code Assignment process, including related documents, can be found at https://www.gps.gov/technical/prn-codes/.OverviewThe Global Positioning System is a spread-spectrum system that employs direct-sequence spreading of the L-band carrier signals broadcast
  • Launch Enterprise Systems Directorate

    Mission The Space and Missile Systems Center's Launch Enterprise Systems Directorate (SMC/LE), was stood up Oct. 14, 2015 at Los Angeles Air Force Base in El Segundo, Calif. The directorate brings together the Launch Systems Directorate and the Rocket Systems Launch Program, which formerly fell under SMC's Advanced Systems and Development
  • Blue Grit Podcast

    The Blue Grit Podcast features conversations with current and former military leaders, mental health experts, elite athletes, veterans and other individuals who have overcome significant adversity. Each podcast will highlight tactics, techniques and procedures guests used to overcome profound challenges and how those TTPs may be employed to help
  • Space and Missile Systems Center

    The Space and Missile Systems Center, a subordinate unit of U.S. Space Force, is the center of technical excellence for developing, acquiring, fielding and sustaining military space systems. SMC's mission is to deliver resilient and affordable space capabilities. The center is responsible for on-orbit check-out, testing, sustainment and maintenance
  • Experimental Launch & Test Division/Rocket System Launch Program

    (Current as of June 2017)Overview             The Experimental Launch & Test Division (LEX) manages the Rocket System Launch Program (RSLP).  LEX is a geographically separated unit of the Launch Enterprise Directorate and is based out of Kirtland Air Force Base, New Mexico.  This division provides space launch for all government programs, to
  • Air Force Office of Special Investigations

    The Air Force Office of Special Investigations has been the Air Force's major investigative service since Aug.1, 1948. The agency reports to the Inspector General, Office of the Secretary of the Air Force. AFOSI provides professional investigative service to commanders of all Air Force activities. Its primary responsibilities are criminal
  • Geosynchronous Space Situational Awareness Program (GSSAP) Satellite

    Mission/Vision GSSAP satellites will be a space-based capability operating in the near-geosynchronous orbit regime supporting U.S. Strategic Command space surveillance operations as a dedicated Space Surveillance Network (SSN) sensor.GSSAP satellites will support Joint Functional Component Command for Space (JFCC SPACE) tasking to collect space
  • Remote Sensing Systems Directorate

    The SMC Remote Sensing Systems Directorate (SMC/RS) manages the Air Force OPIR enterprise and the Department of Defense Space Based Environmental Monitoring Enterprise.  The OPIR enterprise is comprised of two DoD programs, Defense Support Program (DSP), and Space Based Infrared System (SBIRS).  Development is aligned to the Space Warfighting

    MissionThe SBIRS program is the follow-on capability to the highly successful Defense Support Program (DSP).  The SBIRS program was designed to provide a seamless operational transition from DSP to SBIRS and meet jointly defined requirements of the defense and intelligence communities in support of the missile early warning, missile defense,
  • Civilian applications of GPS – Timing

    In addition to longitude, latitude, and altitude, the Global Positioning System provides a critical fourth dimension - time. Each GPS satellite contains multiple atomic clocks that contribute very precise time data to the GPS signals. GPS receivers decode these signals, effectively synchronizing each receiver to the atomic clocks. This enables