What is thermal management for aerospace, aviation, and military applications?

NASA Reignites Program for Nuclear Thermal Rockets

Pentagon announces to launch New Nuclear Thermal Rocket!

ASP Flying Model Rocket Kit Thermal Seeker 13 Parachute ASP KTSP-13

a) The RD-0410 Nuclear Thermal Engine (© Dietrich Haeseler). (b) NERVA

Therma rocket - 69,90€ - € €69,90 - En stock

Liquid Rhenium Solar Thermal Rocket - Science & Spaceflight - Kerbal Space Program Forums

What makes pulsed nuclear thermal rockets more efficient than standard nuclear Thermal Rockets? - Quora

Figure 4 from NUCLEAR THERMAL ROCKET/VEHICLE CHARACTERISTICS AND SENSITIVITY TRADES FOR NASA's MARS DESIGN REFERENCE ARCHITECTURE (DRA) 5.0 STUDY

Blue Origin taps OROS for advanced thermal materials in space - Digital Journal

Sea Oats frame The Orbital Science Corp's Minotaur 1 rocket as it sits on its launch pad at NASA's Wallops Flight Facility in Wallops Island, Va., Saturday, Dec. 9, 2006. The rocket