现场报道： SpaceX将为航天局发射21颗数据传输卫星

Tranche 1 Transporter Layer A任务是支持航天局Proliferated Warfighter Space Architecture星座的第四次飞行。范登堡水疗中心4E号停机坪升空

原文标题：Live coverage: SpaceX to launch 21 data transport satellites for the Space Development Agency

溯源：开源情报 ｜ 可信度：C（中（公开媒体报道））

信源：Spaceflight Now ｜ 阅读原文

The Tranche 1 Transporter Layer A mission is the fourth flight supporting the Space Development Agency’s Proliferated Warfighter Space Architecture constellation. Liftoff from pad 4E at Vandenberg Space Force Base is scheduled for 1:17 a.m. PDT (4:17 a.m. EDT

—— 开源情报 · 空/天/天基 · 可信度C