SDA posted an RFI for T4 Tracking Layer resilient MWTD payloads and architecture + capabilities to detect and track more challenging targets across full flight trajectories. Input due by Noon ET on Dec 4, 2026. bit.ly/3TKSaPW #SemperCitius #Space #USSF #Industry

UPDATED DUE DATE!! SDA is seeking sources for Performance Enhanced Real-time Ground Environment (PEREGRINE) Sentry capabilities to support the ground segment of the #RMWT LEO mission. Responses NOW due October 30, 2026. sam.gov/workspace/contract/o… #SemperCitius #Space #USSF

This morning, @USSpaceForce PAE for MWT, supported by SDA, successfully launched 21 satellites in LEO from VSFB, CA. T1’s 4th launch deployed data transport SVs built by @northropgrumman, bringing the number of on-orbit T1 SVs to 84. sda.mil/pae-for-missile-warn… 📸 credit: @SpaceX

Here we go again! We are targeting Saturday, Oct. 10 around 12:39 AM PT/3:39 AM ET for @SpaceX's Falcon 9 launch of the SDA fourth Tranche 1 data transport mission to LEO from SLC-4E at VSFB in California. More info and livestream link here: spacex.com/launches/sda-t1tl…

SDA announced its intention to seek sources that can provide Performance Enhanced Real-time Ground Environment (PEREGRINE) Sentry capabilities. PEREGRINE Sentry will support SDA #RMWT LEO operational mission within #PWSA ground segment. Due Oct. 23, 2026. sam.gov/workspace/contract/o…

Falcon 9 had an auto abort just prior to T-0 on Monday. Vehicle and payload are in good health, and teams are resetting for a launch attempt no earlier than Thursday, October 8th. For updated launch information, view SDA's launch mission page here: spacex.com/launches/sda-t1tl…

Live stream from SDA’s fourth Tranche 1 launch starts around 1 AM PT/4 AM ET. You can watch the video back later, too! @SpaceX live link here: spacex.com/launches/sda-t1tl… #SemperCitius #PWSA #pLEO #Industry #Space #USSF #Satellites

Calling all night owls! Watch the fourth launch of SDA’s Tranche 1 satellites tomorrow at 1:17 a.m. PT/4:17 a.m. ET. @SpaceX live link here: spacex.com/launches/sda-t1tl… #SemperCitius #PWSA #pLEO #Industry #Space #USSF #Satellites

Here we go! Tranche 1 is ready for its next launch! The 4th Tranche 1 launch is planned on/or about Oct. 5, 2026, from VSFB, CA. Launch 4 will deploy 21 @northropgrumman Transport Layer SVs from a @SpaceX Falcon 9. Livestream available on SpaceX’s website: spacex.com/launches/sda-t1tl…

SDA is seeking sources to provide Performance Enhanced Real-time Ground Environment (PEREGRINE) Sentry capabilities to support the SDA #RMWT LEO operational mission within the #PWSA ground segment. Responses due by October 23, 2026. Link here: sam.gov/workspace/contract/o…

SDA is seeking #industry proposals for the resilient missile warning and tracking LEO GEPs effort to support #PWSA Tranche 3. Submit proposals by Nov. 2. T3 GEPs scale our ground network to support the Tracking Layer and rapid delivery of mission data. sam.gov/workspace/contract/o…

SDA & @DIU_x have made awards for our Deorbit-as-a-Service (DaaS) project. We selected @D_Orbit, Katalyst & @fireflyspace for design & risk reduction of in-space transportation & logistics capabilities on a managed-service basis. #SemperCitius #collab #industry

SDA recently announced the successful launch of the third set of #PWSA T1 Transport Layer SVs from VSFB, CA. Check out our On Orbit page to read more about the full T1 constellation and Initial Warfighting Capability tranche: sda.mil/on-orbit/ #SemperCitius #PWSA #USSF

Look at that rocket go! On July 16, SDA launched 42 @YorkSpaceSystem built SVs in LEO at 1:32 p.m. PT from VSFB, CA, using @SLDelta30 SLC 4 East. For more info: sda.mil/home/news/news-relea… 📸 credit: @SpaceX #SemperCitius #PWSA #pLEO #Industry #Space #USSF #Satellites

Yesterday, SDA announced the third successful launch of T1 SVs built by @YorkSpaceSystem for the #PWSA from @SLDDelta30’s SLC East at VSFB, CA, which brings the total number of on-orbit T1 SVs to 63. More info here: sda.mil/home/news/news-relea… 📸 credit: @SpaceX #SemperCitius #USSF

Livestream from SDA’s third Tranche 1 launch is starting NOW! @SpaceX live link here: spacex.com/launches/sda-t1tl… #SemperCitius #PWSA #pLEO #Industry #Space #USSF #Satellites

Let’s go! Watch the third launch of SDA’s T1 SVs today at approx. 1:30 p.m. PT/4:30 p.m. ET. The livestream will begin about 10 minutes before liftoff. Watch here: spacex.com/launches/sda-t1tl… 📸: SpaceX Falcon 9R on launch pad at VSFB, CA, using SLC 4 East, T1 SVs. Credit: @SpaceX

Tranche 1 is ready for launch! The third T1 launch is planned for July 16, 2026, from VSFB, CA. Anticipated around 1:30 p.m. PT/4:30 p.m. ET. Livestream available on @SpaceX's website: spacex.com/launches/sda-t1tl… Photo: SDA T1 faring encapsulating @YorkSpaceSystem SVs. 📸: SpaceX

SDA announced the award of two agreements to @L3HarrisTech and @SierraSpaceCo to build 36 Accelerated Missile Defense Tranche 3 (AMDT3) satellites with missile defense sensing in support of #GoldenDome for America. Full release here: sda.mil/space-development-ag… #sempercitius