Group 1 - HawkEye 360 has completed the acquisition of Innovative Signal Analysis (ISA) with a total financing of $150 million through equity and debt [1][2] - The Series E preferred equity financing was co-led by NightDragon and Center15 Capital, with additional financing from Silicon Valley Bank, Pinegrove Venture Partners, and Hercules Capital, enhancing HawkEye 360's financial position [2] - The company provides critical signals intelligence to defense, intelligence, and national security sectors, enabling improved decision-making through the detection and analysis of radio-frequency emissions [3] Group 2 - HawkEye 360's technology includes space-based collection, proprietary signal processing, and AI-powered analytics, which transform radio-frequency spectrum knowledge into strategic advantages [3] - The operational success of HawkEye 360's missions demonstrates its role in redefining signals intelligence for national and global security [3]