Safe passage.
D004641:Emigration and Immigration / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data / Q000639:trends*; D035082:Federal Government; D038622:Internationality; D010560:Personnel Selection / Q000639:trends*; D012108:Research Personnel / Q000331:legislation & jurisprudence* / Q000523:psychology; D012586:Science; D012637:Security Measures / Q000331:legislation & jurisprudence / Q000639:trends*; D013997:Time Factors; D014481:United States; D000078329:Workforce