
Mir | Demo Flight
Pad: ADD Offshore launch platform · Sea Launch
Note: Launch vehicle name is provisional. First orbital full version launch of the South Korean military small satellite launch vehicle, after 2 sub-orbital tests of individual stages on 30 March and 30 December 2022, and 1 orbital test flight without the 2nd stage on 4 December 2023. Details TBD.

Orbital Launch Vehicle
Photo: Orbit Deck Space Catalog
Mir | Demo Flight Live Coverage
Official Webcast Feed Scheduled
Live broadcast embeds typically go live 15 to 20 minutes prior to launch window liftoff. Check the official Agency for Defense Development channels or Spaceflight Now for live feeds.
🛰️ Mission Orbital & Environment Matrix
- Target Orbit
- LEO
- Target Altitude
- 550 km
- Inclination
- 53.2°
- Weather Violation Risk
- 10%
- Primary Payload
- Demo Flight
- Launch Window
- Monday, August 31, 2026 at 12:00 AM UTC – 12:00 AM UTC
🚀 Vehicle Architecture & Stage Configuration
- Architecture Type
- Single-Use Expendable
- Recovery Strategy
- None (Ocean Trajectory)
- Core Propulsion
- Liquid Cryogenic / Staged
- Upper Stage
- High-Energy Re-ignitable
- Fairing Shroud
- Standard Aerodynamic Shroud (Direct Jettison)
- Vehicle Architecture
- Mir Propulsion & Staging Specs →
⏱️ Operational Timeline Milestones & Staging Sequence
Target T-0: 2026-08-31Terminal Count
T-00:15:00Autonomous launch sequence start
Auto Sequence
T-00:03:00Flight computer assumes control
Liftoff
T-00:00:00Stage 1 main engine ignition & liftoff
MECO & Stage Sep
T+00:02:40Main engine cut-off and stage separation
Stage 1 Landing
T+00:08:30Booster touchdown on recovery vessel / zone
Payload Deploy
T+00:45:00Spacecraft insertion into target orbit
ADD Offshore launch platform
Cape Canaveral Space Force Station · Sea Launch

Falcon 9 Standing at SLC-40
Falcon 9 vertical on Space Launch Complex 40 with lightning suppression towers at Cape Canaveral Space Force Station.
Photo Credit: NASA / Joel KowskySLC-40 is the world's most active orbital launch facility. Originally constructed for Titan III and Titan IV rockets, SpaceX leased and modernized the pad in 2008. In 2024, SpaceX added a new crew access tower to enable astronaut and cargo Dragon launches directly from SLC-40.