The Romanian Air Force modernized 110 MiG 21 LanceRs, in cooperation with Israel between 1993 and 2002. Today, 48 of these MiG 21 LanceRs are operational. The Romanian Air Force also operates C-130 Hercules, C-27J Spartan, An-26s transport planes and IAR-330 Puma helicopters. IAR-330 PUMA SOCAT helicopters have been modernized by the Romanian Aviation Industry in cooperation with Elbit Systems (Israel) for attack missions. The Romanian Air Force also includes locally built IAR-99 Șoim jet planes, in general only used for training of the young pilots. The remaining MiG-29s have been withdrawn since 2003.