a non-paywalled version: https://www.state.gov/foreign-language-training/#:~:text=The%20following%20language,in%20the%20language https://www.state.gov/foreign-l

a non-paywalled version: https://www.state.gov/foreign-language-training/#:~:text=The%20following%20language,in%20the%20language https://www.state.gov/foreign-language-training/#:~:text=The... (ranging from 600 [dutch] to 2200 [chinese] classroom instructional hours)