 The lease contracts were typically for 5-year terms, with the lessee having the opportunity to extend the lease or to purchase the equipment outright.The US Navy was the original lessee.Leasat F1's launch was cancelled just prior to lift-off, and F2 became the first into orbit on August 30, 1984 aboard "Discovery" on shuttle mission STS-41-D. F2 was largely successful, but its wideband receiver was out of commission after only 4 months.