 Complete the following phrase:  Launched by rocket assist shipboard, by catapult, or from a runway, the Pioneer recovers into a net shipboard or with arresting gear after flying up to five hours with a payload. It flies day or night missions with a gimbaled EOIR sensor, relaying analog video in real time via a C-band line-of-sight LOS data link. Since 1991, Pioneer has flown reconnaissance missions during the Persian Gulf, Somalia 