What is Trump's "Operation Warp Speed?"

The video discusses the ongoing evaluation of Gilead's potential coronavirus drug, highlighting the preliminary nature of the US government's study results and contrasting them with a Chinese trial that showed no benefit. It also covers the US government's Operation Warp Speed, an initiative to accelerate vaccine development by collaborating with private companies, government agencies, and the military. The goal is to produce 300 million vaccine doses by January, despite expert projections of a 12-18 month timeline. The initiative involves testing promising vaccines, conducting clinical trials, and ramping up production, with taxpayers bearing much of the financial risk.

What challenges are associated with the rapid development of a coronavirus vaccine?

How will the government approach the testing of vaccine candidates according to the sources?