The Challenge stopped accepting Stage 1 submissions at 4:59 PM EST on April 24, 2019.

Judges helped select eight (8) finalists to share a prize pool of $800,000.

Finalists participated in a prototyping accelerator to further develop plans into prototypes, competing for an additional $750,000 in cash prizes.

Finalists attended a testing event hosted by the government where their prototypes were tested and viewed by judges.

One grand prize winner and one runner-up were selected by judges to share a $750,000 prize pool.