In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.

Passage: Initially called Camp Annapolis Junction, the post was opened as "Camp Admiral" in 1917 on acquired for a training camp. The post was called Camp Meade Cantonment by 1918, Camp Franklin Signal Corps school was located there and in 1919, the Camp Benning tank schoolformed from the World War I Camp Colt and Tobyhanna schoolswas transferred to the fort before the Tank Corps was disbanded. Renamed to Fort Leonard Wood (February 1928 March 5, 1929), the fort's Experimental Motorized Forces in the summer and fall of 1928 tested vehicles and tactics in expedition convoys (Camp Meade observers had joined the in-progress 1919 Motor Transport Corps convoy). In 1929, the fort's 1st Tank Regiment encamped on the Gettysburg Battlefield. During World War II, Fort Meade was used as a recruit training post and prisoner of war camp, in addition to a holding center for approximately 384 Japanese, German, and Italian immigrant residents of the U.S. arrested as potential fifth columnists. The Second U.S. Army Headquarters transferred to the post on June 15, 1947; and in 1957, the post became headquarters of the National Security Agency.
Link Information: , NSA had 59,000 military and civilian employees, which grew to 93,067 in 1969, of which 19,300 worked at the headquarters at Fort Meade. Answer: 19,300
Approximately how many NSA personnel are stationed at Fort Meade?