The Diary of CIA officer Philip Agee,lots of details in this first part on recruitment,schooling,military cover,etc. And then there is Camp Peary in Virginia,also called the 'farm'...

...We still have plenty of snow on the ground and on Sunday nights when we return from Washington the deer are so thick along the base roads that we almost run into them. We've all gotten to know each other more since coming to ISOLATlON. Almost any type of person you want can be found in the class. We have a physical training programme three or four times a week at the gym— calisthenics, basketball, squash, volleyball, weights. We also have training at the gym in defence, disarming, maiming, and even killing with bare hands—just how and where to strike, as in karate and judo. Our instructor in these skills (at first nobody believed his real name was Burt Courage) was formerly on Saipan in the South Pacific, which is another secret base of the Office of Training.

It's hard work. There is a physical-conditioning program, plenty of practice in the martial arts. How to disarm or cripple, if necessary kill an opponent. We have classes in propaganda, infiltration-exfiltration, youth and student operations, labor operations, targeting and penetration of enemy organizations. How to run liaison projects with friendly intelligence services so as to give as little and get as much information as possible. Anti-Soviet operations—that subject gets special attention. We have classes in framing Russian officials, trying to get them to defect. The major subject, though, is how to run agents—single agents, networks of agents.

In the classes we have been studying the different kinds of Foreign Intelligence—FI, or KUTUBE—operations conducted by the Clandestine Services. Although these operations are designed to discover the capabilities and intentions of foreign powers, particularly enemy or unfriendly governments, visa-vis the US, they are supposed to focus on secrets rather than on overt or public information. In addition to discovering ordinary state secrets, the CS is responsible for obtaining the most complete and accurate information possible on the global manifestations of Soviet imperialism, that is, on local communist parties and related political groups. The exceptions to the world-wide operating charter of the CS is the agreement among the US, the United Kingdom, Australia, Canada and New Zealand whereby each has formally promised to abstain from secret operations of any kind within the territory of the others except with prior approval of the host government. The governments of all other nations, their internal political groups and their scientific, military and economic secrets are fair game.

FI operations originate with the informational needs of US policymakers, specified in the voluminous requirements lists prepared by the various sections of the DDI that produce finished intelligence. These requirements are also reflected in the station RMD. The station, incidentally, is the CI A office in the capital city of a foreign country. Other major cities of the country may have CIA offices subordinate to the station and called bases. In most countries the stations and bases are in the political sections of the embassies or consulates, with some officers assigned for cover purposes to other sections such as economic or consular. In certain countries, however, such as Panama and Germany the CIA stations are on US military installations with only the chief and a minimum of other officers having diplomatic status. Most of the others are under cover as civilian employees of the Department of Defense with assignment to the military bases.

https://exploringrealhistory.blogspot.com/2019/12/part-1-inside-company-cia-diaryapril.html