Not particularly happy with any of them. If they went with line 2 I think they would need to alter the color to contrast with the USAF

The military’s newest service on Tuesday launched a survey complete with four choices of insignia for ranks from E-2 to E-9.https://t.co/2ayJbf4tFQ pic.twitter.com/vKAhu2eJ2w

— Military Times (@MilitaryTimes) March 4, 2021