battling a deadly wildfire that s burned about 50 homes and killed at least one person. a local sheriff s deputy, barbara finley, died while helping people evacuate. governor greg abbott declared a state of emergency in 11 counties last night. moderna seeking approval for a second covid booster shot for all adults just days after pfizer requested emergency approval for a fourth dose of its vaccine for folks over 65. it comes as a subvariant of omicron called ba.2 is causing a rise in cases across europe. back to the breaking news from ukraine as russia is claiming it has used advanced hypersonic missiles to destroy a munitions warehouse today. joining me now to discuss russia s military capabilities is patrick tucker, defense one technology editor and a good friend to us. first of all, what are hypersonic missiles? a hypersonic missile is really any missile that travels