Sergeant Danny Nightingale told Daybreak that his court battle has been "life changing."
"I certainly wouldn't want any other family to go through this," he added.
Talking to presenters Lorraine Kelly and Aled Jones, he said he felt his fight was now "two thirds of the way through".
His wife Sally said the couple will continue to fight, "we've got to carry on," she agreed.
More top news
Andre Luzganov, who shot dramatic video of the attack the weekend, told ITV News his family has left and will not be returning to Mariupol.
A call operator at NHS 111, which was designed to relieve pressure on emergency services, tells ITV News the system is struggling to cope.
Shell chief executive Ben Van Beurden says the full effect of oil price slump is yet to be felt. In the meantime tough decisions lie ahead.