- ghanaweb.com GhanaHomePage/africa/Meet-Frederick-…His father’s experience was the last time the Gregorys would renege on exploring their dreams to the last potential.
- http://astronautix.com g/gregory.htmlGregory has logged more than 6,976 hours flying time in over 50 types of aircraft -- including 550 combat missions in Vietnam.
- youtube.com watchЛетопись космонавтики. Список космонавтов (астронавтов) мира в хронологическом порядке.
- wikidata.org wiki/Q557066ruwiki Грегори, Фредерик Дрю. skwiki Frederick Drew Gregory.
- en-academic.com dic.nsf/enwiki/322828Frederick Drew Gregory — Frederick Gregory Land (Organisation): USA (NASA) Datum der Auswahl: 16.
- howold.co person/frederick-d-gregoryDrew Gregory is a former NASA astronaut and former NASA Deputy Administrator.
- http://todayinafricanamericanhistory.com january-7th-in-…Gregory served as the pilot on STS-51B in 1985 and the spacecraft commander on STS-33 in 1989 and STS-44 in 1991.
- uniphigood.com portfolio_page/astronaut-fred-…Fred Gregory is married to Annette and is the father and grandfather of a military family and proud of it!
- blackthen.com frederick-d-gregory-first-african-…Gregory flew helicopters for three years including a tour in Vietnam as a rescue crew commander.
- wcspeakers.com speaker/frederick-drew-gregory-…Gregory was retrained as a fixed-wing pilot flying the T-38 at Randolph AFB.