Los Angeles, May 3 -- The U.S. State Department has approved an F-16 fighter jet training and sustainment package worth 310 million U.S. dollars for Ukraine, the Pentagon announced Friday.

The package included aircraft modifications, flight training, maintenance support, spare parts, ground handling equipment, and specialized software systems, according to the U.S. Defense Security Cooperation Agency (DSCA).

Lockheed Martin Aeronautics, BAE Systems and AAR Corporation are the deal's principal contractors. However, This package contained no actual aircraft, as the jets would be provided by NATO allies rather than directly from the United States, said the DSCA.

The support package followed an earlier 266.4 million-dollar F-16 sustainmen...