成为拥有航天局“能够将人类送进太空”的国家公民。 合适的年龄。 合适的身高。 出色通过体检。 会讲英语。 学习游泳以及游出水平。

Given the above summary, write a detailed text in English for it.
Even if your country does have a space agency, you may be relegated to groundwork and not navigating the skies like you'd prefer. While plenty of countries are getting into the space race in one form or another, Russia, China, EU and the USA are the front runners.  The ESA (European Space Agency) collaborates with other agencies to send its astronauts aboard their rockets. Currently, the ESA is made up of twenty countries: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, and the United Kingdom.  NASA has had, in the past, astronauts from countries with which they have an international agreement. Namely, Canada, Japan, Russia, and Brazil. For the record, each of these countries does have a space agency. If you're fresh out of recess or fresh out of the senior citizen's discount buffet, you're not astronaut material. The ESA is looking for candidates who are between 27 and 37 years old. NASA is a bit less stringent; there are no age restrictions, but past astronauts have fallen between the ages of 26 and 46. The average age is 34. Fingers crossed for that growth spurt! The ESA accepts candidates who are between 153 and 190 centimeters (that's 5' to 6'2 1/2" for the non-metric folk). Not too tough, eh? As for NASA, they're looking for men and women between 5'2" and 6'3" (157 to 190.5 cm). Six of one, half a dozen of another, really. In order to become an astronaut for NASA, your near and far vision must be correctable to 20/20 in each eye. Yep, getting LASIK is okay. As for your physical health, your blood pressure must not be above 140/90 when in a sitting position.  Note that if you make it past the first rounds of testing, addition visual screening will be performed. To pass this round, your distant vision refractive error must be "between +5.50 and -5.50 diopters in any meridian" if you do not have a piloting background and "between +2.50 and -4.00 diopters in any meridian" if...