Tomorrow is 🛰🚀 #USSF12 launch day! #SSC is working with

@45SLD

&

@ulalaunch

to launch the USSF-12 national security mission for

@USSF

. Join us tomorrow, June 30, @

http://ulalaunch.com to watch the 6:00 p.m. EDT launch countdown.

https://twitter.com/USSF_SSC/status/1542253832905773057