The Defence Blood Challenge is helping people like 11-year-old Josh Miller, the son of Wing Commander Peter Miller.
Flight Sergeant Tony Rohan knows more than most about the importance of blood donations.
An Australian Red Cross Lifeblood Mobile Donor Centre visits RAAF Base Edinburgh for No. 92 Wing's first donation day.
Army reservist Private Anthony Di Berardino marked his 62nd blood donation during this year's Defence Blood Challenge.
Warrant Officer Shane Grist has made 55 donations to Australian Red Cross Lifeblood and plans to reach 100 during this year's Defence Blood Challenge.
Flight Lieutenant Tramaine Dukes has donated blood for the first time for the Defence Blood Challenge.
Warrant Officer Scott Biddell is donating blood for the Defence Blood Challenge.
Special Operations Command personnel have donated blood and plasma as part of the Defence Blood Challenge.
Aircraftwoman Genna Mervis has been donating blood for 10 years and is participating in this year's Defence Blood Challenge.
HMAS Cerberus members rallied together to book out an entire daily schedule at the Frankston blood donor centre in Victoria.
A seriously ill commodore is encouraging Defence members to get on board this year's blood drive.