GEO-Kompsat 2B
Live coverage: Japanese and South Korean satellites launch on Ariane 5 rocket
A European-built Ariane 5 rocket launched Tuesday with a U.S.-made communications satellite for Tokyo-based Sky Perfect JSAT and a South Korean environmental observatory. The heavy-lift Ariane 5 launcher took off from the Guiana Space Center in Kourou, French Guiana, at 5:18 p.m. EST (2218 GMT; 7:18 p.m. French Guiana time).