ANSWER:
MARS DEFENSE PERIMETER
https://memory-alpha.fandom.com/wiki/Mars_Defense_Perimeter
From #STTNG βThe Best of Both Worlds, Part IIβ S4E1.
I know English speakers in different parts of the world may object to the spelling of defense. I went with whatβs in #MemoryAlpha, which is the US spelling. π
Jeffy π³οΈββ§οΈπ³οΈβππΊπ¦ β€οΈπ±πΊ (npub1pgcβ¦66l7) you may run the next #HangTrek or nominate someone else.