USSF-67

January 15th 2023, 22:56
Launch Date
Historic Launch Complex 39A
Kennedy Space Center
Landing Zone 1
Cape Canaveral Space Force Station
B1064-2 / B1065-2 / B1070-1
Falcon Heavy Block 5
SpaceX is targeting Sunday, January 15 at 5:56 p.m. ET (22:56 UTC) for Falcon Heavy’s launch of the USSF-67 mission to a geosynchronous Earth orbit from Launch Complex 39A (LC-39A) at Kennedy Space Center in Florida. Following booster separation, Falcon Heavy’s two side boosters will land on SpaceX’s Landing Zones 1 and 2 (LZ-1 and LZ-2) at Cape Canaveral Space Force Station in Florida.
Media
USSF-67 Mission
SpaceX
Timeline
All Times Are Approximate
Countdown
T-00:53:00
SpaceX Launch Director verifies go for propellant load
T-00:50:00
1st stage and side boosters RP-1 (rocket grade kerosene) loading begins
T-00:45:00
1st stage and side boosters LOX (liquid oxygen) loading begins
T-00:35:00
2nd stage RP-1 (rocket grade kerosene) loading begins
T-00:18:30
2nd stage LOX loading begins
T-00:07:00
Falcon Heavy begins engine chill
T-00:00:59
Flight computer commanded to begin final pre-launch checks
T-00:00:45
SpaceX Launch Director verifies go for launch
T-00:00:20
Propellant tanks pressurize for flight
T-00:00:06
Engine controller commands engine ignition sequence to start
T+00:00:00
Falcon Heavy liftoff
Launch and Landing
T+00:01:11
Max Q (moment of peak mechanical stress on the rocket)
T+00:02:24
Side boosters engine cutoff (BECO)
T+00:02:28
Side boosters separate
T+00:02:43
Side boosters boostback burns begin
T+00:03:52
Side boosters boostback burns end
T+00:03:55
1st stage main engine cutoff (MECO)
T+00:03:59
Center core 1st and 2nd stages separate
T+00:04:05
2nd stage engine starts (SES)
T+00:04:22
Fairing deployment
T+00:06:32
Side boosters entry burns start
T+00:06:44
Side boosters entry burns end
T+00:07:42
Side boosters landing burns start
T+00:08:00
Side boosters landing