STS-26 Mission Specialist (MS) George D. Nelson, wearing thermal underwear, positions himself in front of the orbiter galley using the intravehicular activity (IVA) foot restraints and prepares a meal on Discovery's, Orbiter Vehicle (OV) 103's, middeck. Beverage containers are velcroed to the galley shelf as Nelson rehydrates a food package. Photo source: NASA, not copyrighted.
http://images.jsc.nasa.gov/images/pao/STS26/10063005.jpg