Kratos Defense & Security Solutions, Inc, headquartered in San Diego, California,[3] is an American technology company with manufacturing concentrations in weapons and military electronics.

[4] Kratos Defense & Security Solutions was founded as Wireless Facilities Incorporated (WFI),[5] a company whose primary market was the building and support of the telecommunications infrastructure and networks.

[9] Integral Systems provided services regarding the handling of data from space and terrestrial-based platforms into networks for military, government, and commercial satellite and aerospace customers.

[17] Their smallest TDI-J45 powered the AFRL LOCAAS program of Lockheed Martin, a late 1990s endeavor to build a cheap anti-tank missile, which was since cancelled.

[17] TDI engines typically operate at 200–534 kn (370–989 km/h) and at altitudes of 20,000-30,000 ft; they run the fuel through the mechanical bearings to avoid oil lubrication.