MIL-STD-461 CS115 impulse excitation test requirement. Fast repetition rectangular impulses to simulate relay switching in platform electronic circuits. 

Military test system with Plugins for MIL-STD-461 or DO-160 tests
Plug-in for MIL3 Generator for testing MIL-STD-461 CS115 rectangular
Injection probe for f-range 10kHz up to 100MHz, application for MIL-STD-461 CS116, CS115
Calibration fixture for MIL-STD-461
External emergency stop switch
External Red and Green warning lamps