diff --git a/SpiceQL/db/lro.json b/SpiceQL/db/lro.json
index 1570bdcabbbf46453bdfdd46ed5a519bdb3e6cda..57aebcf1938f70c196cfc058b35be0029d02c9a1 100644
--- a/SpiceQL/db/lro.json
+++ b/SpiceQL/db/lro.json
@@ -1,8 +1,5 @@
 {
   "lro" : {
-    "ik" : {
-      "kernels" : ["lro_instruments_v[0-9]{2}.ti$"]
-    },
     "iak" : {
       "kernels" : ["lro_instrumentAddendum_v[0-9]{2}.ti$"]
     },
@@ -16,12 +13,12 @@
   "moc" : {
       "ck" : {
           "reconstructed" : {
-              "kernels": ["moc42r?_[0-9]{7}_[0-9]{7}_v[0-9]{2}.bc$"]
+              "kernels": ["moc42r_[0-9]{7}_[0-9]{7}_v[0-9]{2}.bc$"]
           }
       },
       "spk" : {
         "reconstructed" : {
-          "kernels" : ["fdf29r?_[0-9]{7}_[0-9]{7}_[nbv][0-9]{2}.bsp$"]
+          "kernels" : ["fdf29r_[0-9]{7}_[0-9]{7}_[nbv][0-9]{2}.bsp$"]
         },
         "smithed" : {
           "kernels" : ["LRO_.*_GRGM660.*.bsp$", "LRO_.*_GRGM900C.*.BSP$"]
@@ -39,7 +36,7 @@
       }
     },
     "tspk" : {
-      "kernels" : ["de421.bsp$", "moon_pa_de421_1900-2050.bpc$"]
+      "kernels" : ["^de421.bsp$", "moon_pa_de421_1900-2050.bpc$"]
     },
     "ik" : {
       "kernels" : ["lro_lroc_v[0-9]{2}.ti$"]
diff --git a/SpiceQL/src/inventoryimpl.cpp b/SpiceQL/src/inventoryimpl.cpp
index d3848eb6c9dafc01cfe6d15d6846b0e0875cccb6..52416aa7f2d5c23e3f097a6dea04cd7989146e5f 100644
--- a/SpiceQL/src/inventoryimpl.cpp
+++ b/SpiceQL/src/inventoryimpl.cpp
@@ -42,7 +42,9 @@ namespace SpiceQL {
   string DB_START_TIME_KEY = "starttime"; 
   string DB_STOP_TIME_KEY = "stoptime"; 
   string DB_TIME_FILES_KEY = "path_index"; 
-  string DB_SS_TIME_INDICES_KEY = "ss_index"; 
+  string DB_START_TIME_INDICES_KEY = "start_kindex"; 
+  string DB_STOP_TIME_INDICES_KEY = "stop_kindex"; 
+
 
   string getCacheDir() { 
       static std::string  CACHE_DIRECTORY = "";
@@ -90,7 +92,7 @@ namespace SpiceQL {
     
     json timeJson = conf.getRecursive(type);
     json ckKernelGrp = timeJson[type][quality]["kernels"];
-    
+
     for(auto &arr : ckKernelGrp) {
       for(auto &subArr : arr) {
         for (auto &kernel : subArr) {
@@ -141,15 +143,19 @@ namespace SpiceQL {
       json json_kernels = getLatestKernels(config.get()); 
 
       // load time kernels for creating the timed kernel DataBase 
-      json sclk_json = getLatestKernels(config.getRecursive("sclk")); 
-      json lsk_json = getLatestKernels(config.getRecursive("lsk")); 
-      
-      m_required_kernels.load(sclk_json); 
+      json lsk_json = getLatestKernels(config["base"].getRecursive("lsk")); 
+
+      SPDLOG_TRACE("InventoryImpl LSKs: {}", lsk_json.dump(4));
+
       m_required_kernels.load(lsk_json); 
 
       for (auto &[mission, kernels] : json_kernels.items()) {
         fmt::print("mission: {}\n", mission);    
 
+        json sclk_json = getLatestKernels(config[mission].getRecursive("sclk")); 
+        SPDLOG_TRACE("{} SCLKs: {}", mission, sclk_json.dump(4)); 
+        KernelSet sclks_ks(sclk_json); 
+
         for(auto &[kernel_type, kernel_obj] : kernels.items()) { 
           if (kernel_type == "ck" || kernel_type == "spk") { 
             // we need to log the times
@@ -272,15 +278,18 @@ namespace SpiceQL {
 
               vector<double> start_times_v = getKey<vector<double>>(DB_SPICE_ROOT_KEY+"/"+key+"/"+DB_START_TIME_KEY); 
               vector<double> stop_times_v = getKey<vector<double>>(DB_SPICE_ROOT_KEY+"/"+key+"/"+DB_STOP_TIME_KEY);
-              vector<size_t> file_index_v = getKey<vector<size_t>>(DB_SPICE_ROOT_KEY+"/"+key+"/"+DB_SS_TIME_INDICES_KEY); 
+              vector<size_t> start_file_index_v = getKey<vector<size_t>>(DB_SPICE_ROOT_KEY+"/"+key+"/"+DB_START_TIME_INDICES_KEY); 
+              vector<size_t> stop_file_index_v = getKey<vector<size_t>>(DB_SPICE_ROOT_KEY+"/"+key+"/"+DB_STOP_TIME_INDICES_KEY); 
               vector<string> file_paths_v = getKey<vector<string>>(DB_SPICE_ROOT_KEY+"/"+key+"/"+DB_TIME_FILES_KEY); 
 
               time_indices->file_paths = file_paths_v;
-              SPDLOG_TRACE("Index, start time, stop time sizes: {}, {}, {}", file_index_v.size(), start_times_v.size(), stop_times_v.size());
+              SPDLOG_TRACE("Index, start time, stop time sizes: {}, {}, {}", start_file_index_v.size(), start_times_v.size(), stop_times_v.size());
               // load start_times 
               for(size_t i = 0; i < start_times_v.size(); i++) {
-                time_indices->start_times[start_times_v[i]] = file_index_v[i];
-                time_indices->stop_times[stop_times_v[i]] = file_index_v[i];
+                time_indices->start_times[start_times_v[i]] = start_file_index_v[i];
+              }
+              for(size_t i = 0; i < stop_times_v.size(); i++) {
+                time_indices->stop_times[stop_times_v[i]] = stop_file_index_v[i];
               }
             }
             catch (runtime_error &e) { 
@@ -313,6 +322,7 @@ namespace SpiceQL {
           }
           for(auto it = time_indices->start_times.begin() ;it != start_upper_bound; it++) {
             iterations++;
+            SPDLOG_TRACE("Inserting {} with the start time {}", time_indices->file_paths.at(it->second), it->first);
             start_time_kernels.insert(it->second);             
           }
 
@@ -320,15 +330,15 @@ namespace SpiceQL {
 
           // Get everything stopping after the start_time; 
           auto stop_lower_bound = time_indices->stop_times.lower_bound(start_time);
-          SPDLOG_TRACE("IS {} in the array? {}", stop_lower_bound->second, start_time_kernels.contains(stop_lower_bound->second)); 
           if(time_indices->stop_times.end() == stop_lower_bound && stop_lower_bound->first >= stop_time && start_time_kernels.contains(stop_lower_bound->second)) { 
+            SPDLOG_TRACE("Is {} in the array? {}", stop_lower_bound->second, start_time_kernels.contains(stop_lower_bound->second)); 
             final_time_kernels.push_back(time_indices->file_paths.at(stop_lower_bound->second));
           }
           else { 
-            for(auto &it = stop_lower_bound;it != time_indices->stop_times.end(); it++) { 
+            for(auto it = stop_lower_bound;it != time_indices->stop_times.end(); it++) { 
               // if it's also in the start_time set, add it to the list
               iterations++;
-              SPDLOG_TRACE("IS {} in the array? {}", it->second, start_time_kernels.contains(it->second)); 
+              SPDLOG_TRACE("Is {} with stop time {} in the array? {}", time_indices->file_paths.at(it->second), it->first, start_time_kernels.contains(it->second)); 
               if (start_time_kernels.contains(it->second)) {
                 final_time_kernels.push_back(data_dir / time_indices->file_paths.at(it->second));
               }
@@ -394,21 +404,26 @@ namespace SpiceQL {
         start_times_v.reserve(kernels->start_times.size());
         vector<double> stop_times_v;
         stop_times_v.reserve(kernels->stop_times.size());
-        vector<size_t> indices_v;
-        indices_v.reserve(kernels->start_times.size());
+        vector<size_t> start_indices_v;
+        start_indices_v.reserve(kernels->start_times.size());
+        vector<size_t> stop_indices_v;
+        stop_indices_v.reserve(kernels->stop_times.size());
+
 
         for (const auto &[k, v] : kernels->start_times) { 
           start_times_v.push_back(k);
-          indices_v.push_back(v);
+          start_indices_v.push_back(v);
         }
 
         for (const auto &[k, v] : kernels->stop_times) { 
           stop_times_v.push_back(k);
+          stop_indices_v.push_back(v);
         } 
 
         H5Easy::dump(file, DB_SPICE_ROOT_KEY + "/"+kernel_key+"/"+DB_START_TIME_KEY, start_times_v, H5Easy::DumpMode::Overwrite);
         H5Easy::dump(file, DB_SPICE_ROOT_KEY + "/"+kernel_key+"/"+DB_STOP_TIME_KEY, stop_times_v, H5Easy::DumpMode::Overwrite);
-        H5Easy::dump(file, DB_SPICE_ROOT_KEY + "/"+kernel_key+"/"+DB_SS_TIME_INDICES_KEY, indices_v, H5Easy::DumpMode::Overwrite);
+        H5Easy::dump(file, DB_SPICE_ROOT_KEY + "/"+kernel_key+"/"+DB_START_TIME_INDICES_KEY, start_indices_v, H5Easy::DumpMode::Overwrite);
+        H5Easy::dump(file, DB_SPICE_ROOT_KEY + "/"+kernel_key+"/"+DB_STOP_TIME_INDICES_KEY, stop_indices_v, H5Easy::DumpMode::Overwrite);
       }
     }
 
diff --git a/SpiceQL/src/query.cpp b/SpiceQL/src/query.cpp
index e8694da75b7dbd1fdeaf479ccdad531334454bd5..a03c0e156e371c3a14d88ca8ee64fb94031b7b17 100644
--- a/SpiceQL/src/query.cpp
+++ b/SpiceQL/src/query.cpp
@@ -230,6 +230,13 @@ namespace SpiceQL {
     }
     if (pointers.empty() && kernels.is_object()) { 
       // Assume it's in the format {"sclk" : ["path1", "path2"], "ck" : ["path1"], ...}  
+      
+      json iaks = {};
+      // we want to furnish them last
+      if(kernels.contains("iak")) { 
+        iaks = kernels["iak"]; 
+        kernels.erase("iak");
+      }
       for (auto& [key, val] : kernels.items()) { 
         SPDLOG_TRACE("Getting Kernels of Type: {}", key);
         if(!val.empty()) { 
@@ -240,6 +247,16 @@ namespace SpiceQL {
           } 
         }
       }
+
+      // add iaks at the end
+      if(!iaks.empty()) { 
+        vector<string> ks = jsonArrayToVector(iaks);
+        for (auto &kernel : ks) { 
+            SPDLOG_TRACE("Adding: {}", kernel);
+            kernelVect.push_back(kernel);
+        }  
+      }
+
     }
     else {
       for (auto & p : pointers) {
diff --git a/SpiceQL/src/utils.cpp b/SpiceQL/src/utils.cpp
index e6392e5d22114d316f63504adce7b1bfd20db033..6cb354ed2ec209a7b7d7bb9d9e3b755711d22cdc 100644
--- a/SpiceQL/src/utils.cpp
+++ b/SpiceQL/src/utils.cpp
@@ -176,6 +176,8 @@ namespace SpiceQL {
 
 
   vector<double> getTargetState(double et, string target, string observer, string frame, string abcorr) {
+    SPDLOG_TRACE("getTargetState(et={}, target={}, observer={}, frame={}, abcorr={})", et, target, observer, frame, abcorr);
+
     // convert params to spice types
     ConstSpiceChar *target_spice = target.c_str();  // better way to do this?
     ConstSpiceChar *observer_spice = observer.c_str();
@@ -185,7 +187,6 @@ namespace SpiceQL {
     // define outputs
     SpiceDouble lt;
     SpiceDouble starg_spice[6];
-
     checkNaifErrors();
     spkezr_c( target_spice, et, frame_spice, abcorr_spice, observer_spice, starg_spice, &lt );
     checkNaifErrors();
@@ -208,26 +209,19 @@ namespace SpiceQL {
     }
 
     json ephemKernels = {};
-    json lskKernels = {};
-    json pckKernels = {};
-    json spkKernels = {};
+    json baseKernels = {};
 
     if (searchKernels) {
-      ephemKernels = Inventory::search_for_kernelset(mission, {"sclk", "ck", "spk", "pck", "tspk"}, ets.front(), ets.back(), ckQuality, spkQuality);
-      lskKernels = Inventory::search_for_kernelset("base", {"lsk"});
-      pckKernels = Inventory::search_for_kernelset("base", {"pck"});
-      spkKernels = Inventory::search_for_kernelset("base", {"spk"}, ets.front(), ets.back(), "noquality", "noquality");
-      SPDLOG_DEBUG("LSK Kernels : {}", lskKernels.dump(4));
+      ephemKernels = Inventory::search_for_kernelset(mission, {"sclk", "ck", "spk", "pck", "tspk", "fk"}, ets.front(), ets.back(), ckQuality, spkQuality);
+      baseKernels = Inventory::search_for_kernelset("base", {"lsk", "pck", "spk"});
+      SPDLOG_DEBUG("Base Kernels : {}", baseKernels.dump(4));
       SPDLOG_DEBUG("{} Kernels : {}", mission, ephemKernels.dump(4));
-      SPDLOG_DEBUG("PCK Kernels : {}", pckKernels.dump(4));
-      SPDLOG_DEBUG("SPK Kernels : {}", spkKernels.dump(4)); 
     }
 
     auto start = high_resolution_clock::now();
+    KernelSet baseSet(baseKernels);
     KernelSet ephemSet(ephemKernels);
-    KernelSet lskSet(lskKernels);
-    KernelSet pckSet(pckKernels);
-    KernelSet spkSet(spkKernels);
+
     auto stop = high_resolution_clock::now();
     auto duration = duration_cast<microseconds>(stop - start);
     SPDLOG_INFO("Time in microseconds to furnish kernel sets: {}", duration.count());
@@ -1102,7 +1096,7 @@ namespace SpiceQL {
           ssize_c(200000, &cover);
 
           // A SPICE SEGMENT is composed of SPICE INTERVALS
-          ckcov_c(kpath.c_str(), body, SPICEFALSE, "SEGMENT", 0.0, "TDB", &cover);
+          ckcov_c(kpath.c_str(), body, SPICEFALSE, "INTERVAL", 0.0, "TDB", &cover);
 
           getStartStopFromInterval(cover);
         }
diff --git a/bindings/python/pyspiceql.i b/bindings/python/pyspiceql.i
index 1100ec1767694e222c42b2672361372b4e94272f..80cd1f042dea2d9d941520ab52eb77fd2a8da6fb 100644
--- a/bindings/python/pyspiceql.i
+++ b/bindings/python/pyspiceql.i
@@ -16,6 +16,9 @@
   #include <vector> 
 %}
 
+%template(DoublePair) std::pair<double, double>;
+
+
 %typemap(in) nlohmann::json {
   if (PyDict_Check($input) || PyList_Check($input)) {
     PyObject* module = PyImport_ImportModule("json");