Jan Owen,
The only sorry aspect of our NASA that's impressive are the LLPOF
factors of how they've gotten so many nice and undeserving folks quite
dead. At least I'm impressed.

BTW; what would you think about a structural tank insulation worth of
R-1024/m
~

Don't look now: in spite of the orchestrated status quo, it seems
there's been other life upon Venus
http://guthvenus.tripod.com/gv-town.htm
Russian/China LSE-CM/ISS (Lunar Space Elevator) as situated within the
ME-L1/EM-L2 sweet-spot
http://guthvenus.tripod.com/lunar-space-elevator.htm
Venus ETs, Earthly ETs plus a few other somewhat testy topics by; Brad
Guth / GASA-IEIS
http://guthvenus.tripod.com/gv-topics.htm