It could be condensation in expansion tanks, or it could be rain into open conta...

		yobbo 8 months ago \| parent \| context \| favorite \| on: F-35 pilot held 50-minute airborne conference call... It could be condensation in expansion tanks, or it could be rain into open containers on the ground, or someone could have mistakenly poured cooling liquid (or something else) into the containers, or into the hydraulic system itself, or ...