From small animals to outer spaceJanuary 4, 2023Eager to explore new horizons, Dr. Richard Linnehan was selected by NASA in March 1992 and completed a year of astronaut candidate training, which qualified him for space shuttle flight assignments as a mission specialist.
SPONSORED CONTENTOne dose protects for 12 months.One ProHeart® 12 (moxidectin) injection puts compliance in your control. + Get started
