"The sea is calm to-night.
The tide is full,
the moon lies fair
Upon the straits; ..."

- Dover Beach, Matthew Arnold

 Require: development of Land Based Beacon 

for installation on the moon 

to mark location on lunar surface

for such as landing missions precisely or marking sites for built formulations

 I learned today of government backed attempts at initiatives and startups in America and Europe from ESA's website link

and ESA sponsored platform for concept pitching link

and of a new term COMM NAV link

and of ESA involvement with Artemis: "major projects such as the European Service Module (ESM) for NASA’s Orion spacecraft that will send astronauts to the Moon and beyond; Esprit and I-Hab modules to the Gateway, a staging post for missions to the Moon and Mars; the European Large Logistic Lander (EL3) supporting sustainable human expeditions to the Moon and high-level science"