Abstract: A hand-operated canister opener tool, and method, for opening a frangible, plastic-walled, hollow canister (such as one containing a cryptographic, secret, military code) having two pivotally connected elements carrying a canister piercing member for piercing the canister to examine its contents before discard, and a canister receiving member surrounding the canister for safety during piercing for preventing ejection of shrapnel-like, sharp, plastic chips likely to cause bodily injury.

Abstract: Method and apparatus for repairing damaged tapered radar radomes. The method comprises the steps of preparing the damaged skin layers, affixing corresponding patches thereto and trimming same, where only the radome skin has been damaged, and, when both skin and core have been damaged, includes preparing the damaged skin layers and core, affixing an oversized repair core section in said prepared core, trimming the repair core section to an appropriate local configuration, affixing repair patches to the prepared skin layers and trimming same. An apparatus in practice of the present invention comprises a support affixable to the surface of the radome, at least one circumferential track device coupled to the support, at least one meridional track device coupled to the circumferential track device, and a router carriage assembly coupled to the meridional track device. A particular router device capable of precision vertical adjustment to 0.0005" is also disclosed for practice with the above apparatus.