Chart Annotations reference unkonwn images

The annotations in the chart.yaml reference images that aren't in iron bank:

cat chart/Chart.yaml | grep "image: " | awk '{print $2}' | while read line; do echo -n "$line\t"  ; crane digest $line ; done
registry1.dso.mil/ironbank/opensource/istio/pilot:1.16.1        sha256:6b5e74002971a91729ba09a9adec1d13171a1f7bdcf57ec250634d273115b05e
registry1.dso.mil/ironbank/opensource/istio/proxyv2:1.16.1      sha256:d54f5f1524e732136e8a781bfc613f22e82126fce91f871ecbdc09ff2a190b2d
registry1.dso.mil/ironbank/opensource/istio/install-cni:1.16.1  sha256:5693108e42cbe6023a813ec5a026393ba492cd5f43813eeb311ee1bc4159eac6
registry1.dso.mil/ironbank/tetrate/istio/istioctl:1.16.1-tetratefips-v1 2023/02/08 06:24:06 HEAD request failed, falling back on GET: HEAD https://registry1.dso.mil/v2/ironbank/tetrate/istio/istioctl/manifests/1.16.1-tetratefips-v1: unexpected status code 404 Not Found (HEAD responses have no body, use GET for details)
Error: GET https://registry1.dso.mil/v2/ironbank/tetrate/istio/istioctl/manifests/1.16.1-tetratefips-v1: NOT_FOUND: artifact ironbank/tetrate/istio/istioctl:1.16.1-tetratefips-v1 not found
registry1.dso.mil/ironbank/tetrate/istio/proxyv2:1.16.1-tetratefips-v1  sha256:a662014b256fed52987d052ca6579b50914daedacd965ab73009a9af485758df
registry1.dso.mil/ironbank/tetrate/istio/pilot:1.16.1-tetratefips-v1    sha256:1c6ee3cef18bad6def9c9db58e84ed40c074a5f88305440cbdfe855b6fa2d14b
registry1.dso.mil/ironbank/tetrate/istio/install-cni:1.16.1-tetratefips-v1      2023/02/08 06:24:09 HEAD request failed, falling back on GET: HEAD https://registry1.dso.mil/v2/ironbank/tetrate/istio/install-cni/manifests/1.16.1-tetratefips-v1: unexpected status code 404 Not Found (HEAD responses have no body, use GET for details)
Error: GET https://registry1.dso.mil/v2/ironbank/tetrate/istio/install-cni/manifests/1.16.1-tetratefips-v1: NOT_FOUND: artifact ironbank/tetrate/istio/install-cni:1.16.1-tetratefips-v1 not found
registry1.dso.mil/ironbank/big-bang/base:2.0.0  sha256:91fc1fe90146ea8fd65e7bb1e6c5b7a85e39ef300115305a493f1cf1a22f512d