The head of the European Space Agency has framed Europe’s need to pursue lunar missions in unusually security-focused terms for the civilian organization.
A subscale eVTOL demonstrator has been unveiled by Singapore’s Nanyang Technological University, expected to pave the way for a four-passenger, full-scale vehicle targeted for certification in 2030.
German Defense Minister Boris Pistorius has spelled out a €35 billion ($40 billion) commitment for the military space sector through the end of the decade.
When non-CO2 effects are taken into consideration, the maximum lifecycle reduction in emissions possible with sustainable aviation fuel (SAF) is less than 50%.
The aim of the tests was to measure the microphysical properties of the contrails resulting from direct hydrogen combustion under real atmospheric conditions.