LGL Systems Acquisition, a blank check company led by Marc Gabelli and executives from L3 Technologies targeting the defense industry, raised $150 million by offering 15 million units at $10. The company upsized its offering by 2.5 million units, raising an additional $25 million. LGL Systems Acquisition plans to list on the Nasdaq under the symbol DFNSU. Jefferies acted as lead manager on the deal.