[OC] ULA Delta IV Heavy, with NASA’s Parker Solar Probe...

[OC] ULA Delta IV Heavy, with NASA’s Parker Solar Probe onboard, waits on the pad during this morning’s T-4 hold [7121x4451] via /r/spaceporn https://ift.tt/2MaDW6L

via Tumblr https://ift.tt/2MkVIDu