The Osprey is back in the air after being grounded following a crash that killed eight U.S. troops in Japan, but questions remain about its safety.
Austin praised women in the military and said they should not be removed from front-line fighting posts.
The latest tranche of weapons comes as worries grow about an escalation in the conflict.
The envisioned frigate buy will represent Norway’s biggest defense investment ever, surpassing the acquisition of F-35 fighter jets.
