Providence, R.I. – September 18, 2026 -- Meller Optics, Inc. has introduced custom fabricated sapphire optics engineered to withstand temperatures up to 1,600°C, targeting missile seeker windows, furnace inspection ports, semiconductor processing equipment, pyrometers, vacuum chambers, and aerospace instrumentation.

Paris – September 17, 2026 -- HawkEye 360, Inc. (NYSE: HAWK) has signed a Memorandum of Understanding with Leonardo S.p.A. to integrate radio-frequency sensing data into a sovereign, multi-sensor intelligence solution for European customers.

Paris – September 17, 2026 -- HawkEye 360 (NYSE: HAWK) has signed a collaboration agreement with ERA a.s. to make the Czech surveillance specialist an international processing partner for automated terrestrial and maritime radar products derived from HawkEye 360's radio frequency (RF) data.

Paris – September 17, 2026 -- HawkEye 360, Inc. (NYSE: HAWK) has established its first European subsidiary, HawkEye 360 Luxembourg, S.à r.l., marking the company's initial legal entry into the European Union's defense and space industrial base.

Huntsville – September 17, 2026 -- Titomic Limited's U.S. subsidiary, Titomic USA, Inc., has secured a US$5.0 million (AU$6.9 million) contract from the U.S. Air Force to supply, integrate and commission a Next Generation Titomic Kinetic Fusion (TKF)TM High Pressure Cold Spray System at Tinker Air Force Base in Oklahoma City, Oklahoma.

Torrance, Calif. – September 17, 2026 -- Castelion has secured a U.S. Navy production delivery order worth up to $200 million to manufacture, assemble, test and deliver an initial lot of Blackbeard hypersonic weapons to the fleet.

Dallas – September 17, 2026 -- ATI Inc. (NYSE: ATI) Board Chair, President and CEO Kim Fields will participate in a fireside chat at the Morgan Stanley 14th Annual Laguna Conference in Dana Point, California, on September 17, 2026, at 4:05 p.m. ET.

Orlando, Fla. – September 17, 2026 -- Mach Industries doubled its valuation to $3.7 billion in three months, up from $470 million a year earlier, as defense startup funding heads for a record 2026 even while exits remain scarce, according to Backswing Ventures.

Plano, Texas – September 17, 2026 -- Boeing and American Airlines have completed the first landing gear exchange for a 737 MAX aircraft, extending a decades-old spare-parts program to Boeing's newest single-aisle platform.

Charlotte, N.C. – – September 17, 2026 -- TAT Technologies Ltd. (Nasdaq: TATT) has agreed to supply its Universal Cooling System (UCS) to Beyond Aero, a French aerospace startup building what it calls the world's first hydrogen-electric business aircraft.