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BEGIN:VEVENT
SUMMARY:(NET) Falcon 9 B5 • PWSA
DTSTART;VALUE=DATE:20260825
DTEND;VALUE=DATE:20260826
UID:319551269820
DESCRIPTION:A SpaceX Falcon 9 Block 5 rocket will launch 21 operational s
 atellites for the U.S. military’s Space Development Agency PWSA (Prolife
 rated Warfighter Space Architecture) constellation. The Tranche 1 satellit
 es (codenamed ?) on this flight are for the Transport Layer and were built
  by ?. The mission is designated as SDA-T1TL-F and the Falcon 9 booster is
  B10XX.X for this flight. The 2nd stage is equipped with a Mission Extensi
 on Kit. Comprising a gray band on the RP-1 tank\, extra helium bottles & b
 atteries\, this kit extends the life of the stage in-orbit\, allowing it t
 o deploy the payload directly into its operational orbit.\n-\nOnce fully o
 perational\, the SDA Transport Layer will consist of a proliferated hetero
 geneous constellation of data relay space vehicles (SVs) that provide pers
 istent global coverage through a mesh network comprised of communication s
 atellites that connect to one another and to other space vehicles and grou
 nd stations via optical intersatellite links (OISLs). By nature of the mes
 h network spanning the globe\, the Transport satellites will also be able 
 to transmit precise position\, navigation and timing (PNT) data to enhance
  GPS. A-class satellites have at least four optical cross-links\, that is 
 so they can talk to satellites that are in plane with one another as they'
 re traveling and they also can talk to satellites that are cross-plane or 
 in completely different orbits. So they can maintain those four lines of c
 ommunication simultaneously. The B-class satellites will connect directly 
 to the warfighters via the Link-16 military communications system. They ha
 ve two optical cross-links each\, so that allows them to maintain constant
  communication with the other transport satellites in plane. The two other
  nodes will be Link-16 transmitters. Link-16 is an existing tactical commu
 nication system used across the services primarily for air and ground syst
 ems to share low latency data. The first phase of SDA’s Proliferated War
 fighter Space Architecture consists of 28 satellites (Tranche 0 including 
 20 communications payloads made by Lockheed Martin and York Space\, and ei
 ght missile-tracking infrared sensor satellites made by SpaceX and Leidos)
  as a proof of concept for the missile tracking and data relay network\, f
 ollowed by more than 150 additional satellites to provide an initial opera
 tional capability. In total\, Tranche 1 will consist of 154 operational sa
 tellites: 126 in the transport layer developed by York\, Northrop Grumman\
 , and Lockheed Martin\, and 28 focused on missile warning and tracking dev
 eloped by Northrop Grumman and L3Harris. Combining conventional tactical r
 adio links\, laser inter-satellite communications\, and wide-view infrared
  sensors\, hundreds more SDA spacecraft could launch later as the Pentagon
  ramps up efforts and integrates new capabilities.\n-\nDelayed from Q1 202
 4\, Q2\, Q4 2025 and Q1.\n\nWebcast:\nhttps://www.spacex.com/launches\nhtt
 ps://spaceflightnow.com
LOCATION:Vandenberg AFB Space Launch Complex 4\, Lompoc\, Kalifornien 9343
 6\, USA
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