SEOUL, South Korea (AP) — South Korea has begun accepting bids from aircraft makers to supply 60 new fighter jets at an estimated cost of $7.3 billion (8.3 trillion won).

Two arms procurement officials said the bidding began Tuesday and is scheduled to end next week. Boeing’s F-15 Silent Eagle, EADS’ Eurofighter Typhoon and Lockheed Martin’s F-35 Joint Strike Fighter are competing.