Technically, the orbit baselined for NASA's Gateway is Near-rectilinear Halo Orbit, which is a particular class of EML2 halo orbit that happens to loop around t

Technically, the orbit baselined for NASA's Gateway is Near-rectilinear Halo Orbit, which is a particular class of EML2 halo orbit that happens to loop around the Moon... ...and it is chosen partially so Earth is never eclipsed (unlike many other EML2 halo orbits). EML1 is no longer baselined.